contact

contact — noun

1. Communication between people achieved by talking, writing, or sending messages t

1.nounA2
Definition

Communication between people achieved by talking, writing, or sending messages to one another, especially on a regular basis.

Example

Léa keeps in regular contact with her former colleagues after leaving the company.

collocation: stay in regular contact

The rescue team lost contact with the hikers when their phone batteries died.

collocation: lose contact with someone

Common collocations
  • regular contact
  • close contact
  • direct contact
  • stay in contact
  • keep in contact
  • lose contact
  • make contact
  • come into contact
Synonyms
  • communication

    broader; includes any exchange of information, not necessarily regular

  • connection

    can imply emotional or social ties beyond just messaging

  • touch

    informal; mostly used in phrases like 'get in touch' or 'keep in touch'

Antonyms
  • isolation

    state of having no communication with others

Usage Note

Uncountable in this sense — you do not say 'a contact' when referring to communication (compare with sense 3, where 'a contact' means a person).

Common Mistakes

I have a good contact with my sister.
I have good contact with my sister.
When referring to communication, contact is uncountable; no article needed.
We lost contact to each other after college.
We lost contact with each other after college.
The correct preposition is 'with', not 'to'.

2. A situation in which two people or objects are touching one another, or the act

2.nounB1
Definition

A situation in which two people or objects are touching one another, or the act of coming close enough to touch.

Example

The doctor warned that direct contact with the rash could spread the infection.

collocation: direct contact with [something]

Make sure the two metal wires do not come into contact with each other.

pattern: come into contact with

Common collocations
  • physical contact
  • direct contact
  • skin contact
  • eye contact
  • come into contact
  • in contact with
  • avoid contact
Synonyms
  • touch

    more general and everyday; 'contact' often implies deliberate or measurable touching

  • proximity

    nearness without necessarily touching; a different level of closeness

Antonyms

Usage Note

Often used in scientific or medical contexts (e.g. 'contact dermatitis', 'contact transmission') to specify direct physical touching rather than airborne or fluid-borne routes.

Common Mistakes

The two objects are at contact.
The two objects are in contact.
The standard phrase is 'in contact' (or 'in contact with'), not 'at contact'.

3. A person you know, especially one in a position of influence, who can provide us

3.nounB1
Definition

A person you know, especially one in a position of influence, who can provide useful information, advice, or introductions for professional or social purposes.

Example

Christopher used his contacts in the publishing industry to get his manuscript reviewed.

collocation: contacts in [industry/field]

If you need a lawyer, I can give you a contact who handles property law.

Common collocations
  • business contact
  • industry contact
  • useful contact
  • network of contacts
  • list of contacts
  • contact at
Synonyms
  • connection

    nearly identical in meaning; 'connection' can feel slightly more informal

  • acquaintance

    implies less usefulness or influence; just someone you know

Usage Note

Countable in this sense — 'a contact' refers to one person, and 'contacts' refers to several people in your professional or social network. Contrast with sense 1, where the word is uncountable.

Common Mistakes

He is a good contact for me to know.
He is a useful contact to have.
'Contact' already implies knowing the person; saying 'for me to know' is redundant.

4. The set of individuals whose phone numbers, email addresses, and other details y

4.nounA2
Definition

The set of individuals whose phone numbers, email addresses, and other details you keep stored on your phone or computer so you can reach them easily.

Example

Felix searched through his contacts for a plumber who could fix the leak.

Madison lost all her contacts when her old phone broke without a backup.

Common collocations
  • add to contacts
  • save in contacts
  • scroll through contacts
  • list of contacts
  • sync contacts
Synonyms
  • address book

    refers to the list itself rather than the names within it

Usage Note

Typically used in the plural ('my contacts') to refer to the collection of saved people. Singular ('a contact') in this sense refers to one entry in the list.

Common Mistakes

I saved her number in my contact.
I saved her number in my contacts.
The phone/address book is referred to in the plural as 'contacts'.

5. The section or application on a mobile phone, computer, or other device where yo

5.nounA2
Definition

The section or application on a mobile phone, computer, or other device where you store and organise the names, numbers, and addresses of people you know.

Example

You can save a new phone number directly from the call log into your contacts.

The app automatically syncs your contacts across all your devices.

collocation: sync contacts

Common collocations
  • open contacts
  • sync contacts
  • backup contacts
  • contacts app
  • contacts list
  • export contacts
  • import contacts
Synonyms
  • address book

    the traditional name; 'contacts' is the modern digital term

Usage Note

In digital contexts, 'contacts' can refer either to the people stored (sense 4) or to the app/database where they are kept (this sense). The distinction is subtle and often interchangeable in casual use.

6. A metal part in an electrical circuit that lets electricity pass through once it

6.nounB2
Definition

A metal part in an electrical circuit that lets electricity pass through once it meets a matching conductive piece, or the junction where two such conductors join.

Example

The lamp stopped working because the contact inside the switch had worn out.

Dirty contacts in the battery compartment can prevent a device from turning on.

collocation: dirty contacts

Common collocations
  • electrical contact
  • switch contact
  • relay contact
  • clean contacts
  • dirty contacts
  • copper contact
  • make contact
Synonyms
  • terminal

    the point where current enters or leaves a device; more specific than 'contact'

  • connector

    a broader term for any part that joins two conductors

Usage Note

Frequently appears in compound form — 'electrical contact', 'switch contact', 'relay contact'. A 'contact' in this sense is a physical part, not just an abstract connection.

7. A thin curved piece of plastic that sits on the front of the eyeball to help a p

7.nounB1
Definition

A thin curved piece of plastic that sits on the front of the eyeball to help a person see more clearly; a short form of 'contact lens'.

Example

Zayd prefers wearing contacts over glasses when he plays basketball.

collocation: wear contacts

Jisoo carefully cleaned her contacts before putting them in her eyes.

Common collocations
  • wear contacts
  • put in contacts
  • take out contacts
  • soft contacts
  • daily contacts
  • clean contacts
  • contact lens solution
Synonyms
  • contact lens

    the full form, slightly more formal or medical in tone

Antonyms
  • glasses

    the alternative vision aid worn on the face rather than on the eye

Usage Note

Almost always used in the plural ('contacts' or 'contact lenses') because they are worn as a pair. The singular 'a contact' is possible but less common than 'a contact lens'.

Common Mistakes

I put my contact in.
I put my contacts in.' or 'I put my contact lens in.
People typically wear two lenses, so the plural is far more natural.

8. A photographic print created by placing a film negative directly onto light-sens

8.nounC1
Definition

A photographic print created by placing a film negative directly onto light-sensitive paper and exposing it to light, producing an image the same size as the negative.

Example

The photographer made a contact print to check the exposure of each negative.

collocation: make a contact print

Old contact prints from the 1970s were stored in a box in the archive.

Common collocations
  • contact print
  • make a contact print
  • contact sheet
  • contact printing
Synonyms
  • proof sheet

    a sheet of small contact prints used for selecting which images to enlarge

Usage Note

Traditional (film) photography only; the term is not used with digital photography. A contact print differs from an enlarged print, which uses a projector to magnify the negative.

Idioms

A person or place you can go to for information or help when dealing with an organization.

Sara is the main point of contact for our school's sports program.

Do you know the point of contact for the library's lost and found?

contact — verb

contact — adjective

Word family

  • contactable
    adjectiveB2
  • contactless
    adjectiveB1

Synonym discussion

Sense: verb/1

These five verbs all involve communicating with someone, but differ in specificity and formality. 'Contact' is the most neutral and general term — it covers any method (phone, email, letter, in person) and is suitable for both formal and semi-formal contexts. 'Reach' is slightly more informal and often implies success in connecting ('I finally reached her by phone'). 'Get in touch with' is the most conversational option, common in everyday speech and informal writing. 'Call' and 'email' specify the medium, making them more precise when the method matters. For example: 'Please contact the office during business hours' (any method); 'I'll try to reach him on his mobile'; 'Get in touch with me if you're free'; 'Call the doctor if symptoms get worse'; 'Email the team with your suggestions.'

Common collocations

Nouns

Phrases

  • in contact (with)
  • out of contact (with)
  • make contact (with)
  • come into contact (with)
  • lose contact (with)
  • keep in contact (with)
  • stay in contact (with)

Etymology

LatinFrenchEnglish

The word 'contact' comes from Latin 'contactus', meaning 'a touching', formed from 'com-' (together) and 'tangere' (to touch). It entered English through French in the early 1600s, initially referring only to physical touching. By the 1800s it had broadened to include communication and social connection, and in the 1900s it gained electrical and technological meanings. The modern digital sense of 'contacts' as a phonebook emerged in the late 20th century alongside mobile phones.