connection

connection — noun

1. A relationship between two facts, events, or situations where one affects or rel

1.nounB1
Definition

A relationship between two facts, events, or situations where one affects or relates to the other, such as the link between smoking and lung disease, or between childhood experiences and adult behaviour.

Example

The police found a clear connection between the two thefts that happened last week.

connection between [noun] and [noun] — linking two events

Researchers have discovered a strong connection between regular exercise and better memory.

strong connection between [factor] and [outcome]

Common collocations
  • direct connection
  • close connection
  • strong connection
  • clear connection
  • possible connection
  • obvious connection
  • logical connection
Synonyms
  • link

    more informal; suggests a direct, often physical tie

  • relationship

    broader; can describe any kind of association between things

  • correlation

    more technical; implies a statistical or scientific association

  • tie

    suggests a strong or personal bond, often emotional

Antonyms
  • disconnection

    the state of being separate or unrelated

  • gap

    suggests a missing link or lack of relationship

Grammar Patterns

connection between [noun phrase] and [noun phrase]

connection with [noun phrase]

connection to [noun phrase]

Usage Note

Often used with the prepositions 'between' (connecting two equal items), 'with' (associating one item to another), or 'to' (linking one item to a broader context). Frequently appears in academic or investigative contexts.

Common Mistakes

There is a connection of smoking to cancer.
There is a connection between smoking and cancer.
Use 'between X and Y' when listing two items of equal weight.
I have a connection with this topic when I was young.
I have a connection to this topic because I studied it when I was young.
Use a reason clause instead of 'when'.

2. Used in the fixed phrase 'in connection with' to show what subject or topic some

2.nounB1
Definition

Used in the fixed phrase 'in connection with' to show what subject or topic something relates to — for example, a document in connection with a court case, or an arrest in connection with a crime.

Example

The company will issue a formal statement in connection with the factory closure.

in connection with [topic] — formal phrasing

Two suspects were arrested in connection with the robbery at the city museum.

Common collocations
  • in connection with
  • arrested in connection with
  • questioned in connection with
  • documents in connection with
  • statement in connection with
Synonyms
  • regarding

    less formal; works in everyday business writing

  • concerning

    similar formality; slightly more formal than 'regarding'

  • relating to

    more general; can replace 'in connection with' in most contexts

Grammar Patterns

in connection with [noun phrase]

Usage Note

This sense is used almost exclusively in the fixed expression 'in connection with'. It is common in news reports, legal documents, and formal correspondence. The phrase always takes a noun phrase (not a clause) as its object.

Common Mistakes

In connection of the accident, we need more information.
In connection with the accident, we need more information.
Always use 'with', never 'of'.
In connection to improve safety, new rules were made.
In connection with the safety improvements, new rules were made.
'With' must be followed by a noun phrase, not a verb.

3. People you know who are in a position to help you, give you useful information,

3.nounB1
Definition

People you know who are in a position to help you, give you useful information, or open doors for you in your work or social life — for example, business connections, political connections, or family connections.

Example

Manuela got the job through her father's business connections in the fashion industry.

business connections in [industry]

Khadija used her political connections to speed up the permit approval for the new building.

Common collocations
  • business connections
  • political connections
  • family connections
  • professional connections
  • personal connections
  • strong connections
  • useful connections
  • build connections
  • use connections
  • have connections
Synonyms
  • contacts

    more neutral; often used in professional contexts

  • network

    suggests a group of contacts that support each other

  • associates

    emphasises professional or work-based relationships

Antonyms
  • outsider

    someone without useful contacts or inside knowledge

Grammar Patterns

[possessive] connections in [field/industry]

[possessive] connections with [person/organization]

Usage Note

Almost always appears in the plural ('connections') in this sense. A single 'connection' usually refers to a specific person, but the plural form describes one's overall network. Frequently paired with 'business', 'political', 'family', or 'professional' as modifiers.

Common Mistakes

I need to build more connection in this city.
I need to build more connections in this city.
Use the plural form when referring to your overall network of contacts.
She has a lot of connection.
She has a lot of connections.
'Connections' is the standard plural form for this sense.

4. How two physical items are fitted together, or the part (such as a pipe fitting,

4.nounB1
Definition

How two physical items are fitted together, or the part (such as a pipe fitting, wire terminal, or cable joint) that holds them in place or allows liquids, electricity, or signals to pass between them.

Example

The plumber fixed the loose connection under the kitchen sink before it leaked again.

loose connection — typical adjective for physical join

Check the cable connection between the computer and the printer if it stops working.

Common collocations
  • loose connection
  • secure connection
  • tight connection
  • cable connection
  • pipe connection
  • wire connection
  • electrical connection
  • check the connection
  • tighten the connection
  • fix the connection
Synonyms
  • joint

    more common for pipes or mechanical parts

  • link

    more general; can be physical or abstract

  • coupling

    technical term for joining two machine parts

Antonyms

Grammar Patterns

[type] connection between [noun] and [noun]

[type] connection in/to [noun]

Usage Note

Common in technical and DIY contexts. Frequently appears with adjectives describing the quality of the join ('loose', 'secure', 'tight') followed by a prepositional phrase specifying the system ('in the wiring', 'on the pipe', 'between the cables').

Common Mistakes

The connection of the two wires are broken.
The connection between the two wires is broken.
Use 'between' for the two items connected, and treat 'connection' as singular.
I need to connect the connection.
I need to fix the connection.' or 'I need to connect the wires.
Don't use 'connection' as the object of 'connect' in the same sentence.

5. The state or quality of a piece of electronic equipment (a laptop, phone, or tab

5.nounB1
Definition

The state or quality of a piece of electronic equipment (a laptop, phone, or tablet) being linked to a network, especially the internet, so that you can access websites, send messages, or stream content.

Example

The internet connection in the library is fast enough for video streaming.

internet connection — most common collocation

Alessia lost her Wi-Fi connection halfway through the important video call.

Common collocations
  • internet connection
  • Wi-Fi connection
  • broadband connection
  • wireless connection
  • network connection
  • stable connection
  • fast connection
  • slow connection
  • lose connection
  • drop connection
  • establish a connection
Synonyms
  • link

    more informal; 'I have a bad link' is common in casual speech

  • access

    emphasises the ability to reach the network, not the quality of the link

Antonyms
  • disconnection

    the state of being offline or cut off from the network

Grammar Patterns

[type] connection

[possessive] connection [verb]

connection to [network/service]

Usage Note

Distinguish from sense 7 (phone call connection) in the other chunk: this sense focuses on internet/data connectivity for devices, not voice calls between people. Frequently used with adjectives describing speed or reliability ('fast', 'stable', 'slow', 'unreliable').

Common Mistakes

My connection is very slow today. I think the connection is bad.
My internet connection is very slow today. I think the signal is weak.
Be specific about what kind of connection you mean.
I have no connection.
I have no internet connection.
Add 'internet' to avoid confusion with other types of connection.

6. A feeling of understanding, closeness, and natural sympathy between people, or b

6.nounB2
Definition

A feeling of understanding, closeness, and natural sympathy between people, or between a person and a place, activity, or thing — for instance, feeling an instant bond with a new colleague, or a deep attachment to a childhood home.

Example

I felt an immediate connection with the other students in my art class.

feel an immediate connection with [group] — emotional bond

The therapist established a strong connection with her young patient after several sessions.

Common collocations
  • immediate connection
  • instant connection
  • deep connection
  • strong connection
  • emotional connection
  • personal connection
  • spiritual connection
  • feel a connection
  • establish a connection
  • sense a connection
Synonyms
  • bond

    suggests a stronger, more personal tie that is hard to break

  • rapport

    focuses on mutual understanding and trust in a relationship

  • affinity

    a natural liking for or attraction to someone or something

  • kinship

    suggests a deep, almost family-like bond

Antonyms
  • distance

    lack of closeness or emotional separation

  • disconnect

    a feeling of being out of touch or not understood

Grammar Patterns

connection with [person/thing]

connection between [person] and [person/thing]

feel a connection to [person/thing]

Usage Note

This sense describes an emotional or intuitive bond, not a logical relationship (sense 1) or a physical link (sense 4). Often used with 'immediate', 'instant', 'deep', or 'strong' as modifiers. The object of the feeling is introduced by 'with' (person) or 'to' (place or activity).

Common Mistakes

We had a connection about music.
We had a connection through our love of music.' or 'We connected over music.
Use 'through' or 'over' to explain the shared interest, not 'about'.
I feel connection to this song.
I feel a connection to this song.
The indefinite article 'a' is needed before 'connection' when it means a personal bond.

7. the state in which a working phone link exists between two devices, letting peop

7.nounB1
Definition

the state in which a working phone link exists between two devices, letting people in separate locations communicate.

Example

Charlotte tried to call her brother, but the connection was so bad she could barely hear him.

collocation: connection is bad / terrible / poor

We got cut off mid-sentence and had to dial again to restore the connection.

common pattern: restore / lose a connection

Common collocations
  • bad connection
  • poor connection
  • good connection
  • strong connection
  • lose the connection
  • restore the connection
  • video connection
  • internet connection
  • phone connection
Synonyms
  • line

    less common in modern usage; 'line' often refers to a physical telephone wire

  • signal

    focuses on the radio-wave quality rather than the end-to-end link

Usage Note

Commonly used with adjectives describing quality: good, bad, poor, clear, weak, strong. Often appears in the pattern 'the connection + verb' (drops, fails, goes dead, improves).

Common Mistakes

I called you but the line was broken.
I called you but the connection was bad.
'broken line' is not idiomatic for a poor phone link; use 'bad/poor connection.'

8. a bus, train, or plane scheduled so that you can step off one vehicle and board

8.nounB1
Definition

a bus, train, or plane scheduled so that you can step off one vehicle and board the next one to keep travelling toward your destination.

Example

Niran missed his connection in Chicago and had to wait four hours for the next flight to Seattle.

common pattern: miss / catch a connection

The train arrives at platform 3, and the bus connection for Oxford Circus leaves from the station square.

Common collocations
  • miss a connection
  • catch a connection
  • make a connection
  • tight connection
  • direct connection
  • train connection
  • flight connection
  • bus connection
Synonyms
  • transfer

    more common in American English, especially for flights

  • layover

    specifically refers to a waiting period between flights, not the flight itself

Usage Note

Often used in travel contexts with verbs like 'catch,' 'miss,' 'make,' 'book.' The adjective 'tight' (short transfer time) or 'good' (comfortable transfer time) is common.

Common Mistakes

I need to change a connection at the airport.
I need to catch a connection at the airport.
'change' is used for trains but 'catch a connection' is standard for flights.

9. a route or service — for example a railway, bus line, airport, or road — that le

9.nounB2
Definition

a route or service — for example a railway, bus line, airport, or road — that lets you move from one area to another.

Example

The new high-speed railway provides a direct connection between Taipei and Kaohsiung.

collocation: direct connection between [places]

Daichi chose a hotel near the airport because of the convenient bus connection to the city centre.

Common collocations
  • direct connection
  • rail connection
  • road connection
  • bus connection
  • ferry connection
  • connection between
  • connection to
  • poor connections
  • good connections
Synonyms
  • link

    broader — can refer to roads, railways, or even communication channels

  • route

    emphasises the path taken rather than the availability of the service

  • service

    focuses on the scheduled transport operation itself

Usage Note

Typically used with prepositions 'between' (link two places) or 'to' (direction toward a place). Can be countable ('a bus connection') or uncountable ('better road connection').

10. a person who is related to you, especially someone outside your immediate family

10.nounB2
Definition

a person who is related to you, especially someone outside your immediate family such as a cousin, uncle, or in-law.

Example

Baraka has distant connections in Canada whom he has never met in person.

collocation: distant / close / family connection

The wedding brought together all the family connections from both sides, including great-aunts and second cousins.

Common collocations
  • distant connection
  • family connection
  • by marriage connection
  • Irish connections
  • family connections
Synonyms
  • relative

    more direct and neutral; covers both close and distant family

  • relation

    very similar to 'relative,' slightly more formal

  • kin

    formal or literary; often used collectively ('next of kin')

Antonyms
  • stranger

    someone not related to you at all

Usage Note

Almost always appears in plural form ('connections') when referring to multiple relatives. Often modified by a nationality or place ('Irish connections,' 'family connections in Texas'). Distinguish from sense 1 (relationship/link), which can be abstract; sense 10 always refers to actual people.

Common Mistakes

She is a close connection of mine.
She is a close relative of mine.
'connection' sounds unnatural for direct, close family members; use it for more distant family ties.

11. a person who sells illegal drugs, especially one who supplies the same customers

11.nounC1
Definition

a person who sells illegal drugs, especially one who supplies the same customers regularly.

Example

The police arrested the man they believed was the main connection for heroin in the neighbourhood.

collocation: main connection + [drug name]

Detective Okafor spent months trying to identify the connection who supplied cocaine to the clubs.

Common collocations
  • main connection
  • drug connection
  • connection for [drug]
  • use a connection
  • find a connection
Synonyms
  • supplier

    neutral term; can be legal or illegal depending on context

  • dealer

    common informal term for someone who sells illegal drugs

  • source

    vague term that does not specify illegal activity

Usage Note

Strongly informal and associated with criminal slang. Not used in formal or academic writing. The term often implies a regular, ongoing supplier–customer relationship rather than a one-time sale.

Common Mistakes

He is my drug connection for painkillers.
He is my source for painkillers.
'connection' sounds like criminal slang; avoid using it casually about legal medication.
Idioms

Used to say that something is related to a particular person or thing.

The police questioned two witnesses in connection with the bank robbery.

We are meeting the lawyer in connection with our house sale.

Used to refer to something that was just mentioned or discussed.

The company is hiring new staff. In this connection, we need to update the website.

The report highlighted safety issues. In that connection, the manager ordered an inspection.

Word family

  • connect
    verbB1
  • connected
    adjectiveB1
  • connectivity
    nounB2
  • connector
    nounB2
  • disconnect
    verbB2
  • disconnected
    adjectiveB2
  • disconnection
    nounC1
  • interconnect
    verbC1
  • interconnection
    nounC1
  • connective
    adjectiveC1

Synonym discussion

Sense: noun/1

Connection is the broadest and most neutral of these words when describing how two things relate to each other. A link is often more direct or causal, as in the proven link between smoking and cancer, and works well in both abstract and physical contexts. Tie suggests a strong, often personal attachment (family ties, close ties to a community) and is warmer than connection. Relationship is the most general term for any kind of link between people, groups, or ideas (a working relationship, the relationship between stress and health) and is the best choice for describing ongoing interactions. Bond emphasises emotional closeness and mutual loyalty, often formed through shared experience, like the bond between teammates. Association can be neutral and factual (an association between diet and disease) or organisational (a professional association). Affiliation is the most formal of the group and typically signals official membership or institutional belonging. For everyday use: choose connection or link for factual links, relationship for interpersonal contexts, bond for emotional ties, and affiliation for official memberships.

linktierelationshipbondassociationaffiliation

Common collocations

Nouns

  • network
  • point
  • line
  • cable
  • family
  • business
  • service

Adverbs

  • directly
  • closely
  • strongly
  • loosely
  • securely
  • intimately

Phrases

  • make a connection
  • establish a connection
  • lose a connection
  • build connections
  • have connections

Prepositions

  • between
  • with
  • to
  • among
  • through

Etymology

LatinFrenchEnglish

Connection comes from Latin connectere, a combination of con- ("together") and nectere ("to bind or tie"). It reached English through French as connexion in the 14th century. The modern spelling connection, based directly on the Latin root, became standard by the 18th century. The original image of things being tied together still unites its modern meanings.