hack

hack — verb

1. to break into a computer network or digital account without authorisation, often

1.verbtransitive / intransitiveB1
Definition

to break into a computer network or digital account without authorisation, often aiming to steal data or cause disruption

Example

Someone hacked into the company database and stole thousands of customer records.

hack + into + system — unauthorised access

Charlotte discovered that a stranger had hacked her email account and read all her messages.

hack + object (account) — personal data breach

Common collocations
  • hack + into (system, network, server, account)
  • hack + object (computer, database, email)
Synonyms
  • crack

    more specific to bypassing security measures or passwords

  • breach

    formal term focused on the security failure, not the method

Antonyms
  • secure

    to protect a system from hacking

  • defend

    to guard a network against attacks

Grammar Patterns

hack + object (system, account, database)

hack + into + object

Usage Note

Often followed by into when specifying the target. Can describe both criminal activity and ethical security testing (white-hat hacking performed with permission).

Common Mistakes

He hacked the company's printer.
He hacked into the company's network to steal data.
the target is typically a computer system, network, or account, not a peripheral device.

2. to cut something into pieces or make a path through something using rough, heavy

2.verbtransitive / intransitiveB1
Definition

to cut something into pieces or make a path through something using rough, heavy strokes, often without aiming carefully

Example

Theo hacked the thick branch into smaller pieces with an old axe.

hack + object + into + pieces — cutting up

Rescue workers had to hack through the wreckage to reach the trapped driver.

hack + through + object — clearing a path

Common collocations
  • hack + through (wreckage, jungle, ice)
  • hack + at (meat, branch, ground)
  • hack + away + at
Synonyms
  • chop

    more controlled and precise than hack

  • slash

    implies a sweeping cutting motion, often with a blade

  • hew

    formal or literary; cutting with an axe or similar tool

Grammar Patterns

hack + object

hack + at/into/through/away + object

Usage Note

Often followed by at, into, through, or away to indicate the direction or manner of the cutting. Objects are typically thick or tough materials such as wood, branches, meat, or ice.

Common Mistakes

He chopped the branch off with quick, careful strikes.
He hacked the branch off with rough, heavy swings.
chop suggests controlled, precise cutting; hack suggests force without care.

3. To have the necessary ability, energy, or willpower to endure or succeed in a de

3.verbtransitiveB2
Definition

To have the necessary ability, energy, or willpower to endure or succeed in a demanding job, situation, or environment despite the difficulty.

Example

After the merger, only half the staff could hack the new workload.

can/could + hack + object (workload/responsibility)

David knew the marathon would be brutal, but he was determined to hack it.

hack it (idiomatic pronoun object)

Common collocations
  • hack it
  • can hack
  • cannot hack
  • hack the workload
  • hack the pressure
Synonyms
  • cope

    more neutral in register; 'cope with' is standard English whereas 'hack' is informal

  • handle

    slightly more formal; 'handle' can sound more confident than 'hack'

  • manage

    broader meaning; 'manage' does not carry the same sense of difficulty

Antonyms
  • fail

    direct opposite; failing means not managing the situation

  • struggle

    implies trying but not succeeding, which is the opposite of dealing successfully

Grammar Patterns

can/could + hack + noun phrase

can/could + hack + it

Usage Note

Commonly appears with modal verbs 'can' or 'could', especially in negative statements ('cannot hack it'). The object is typically an abstract noun referring to a situation, task, or environment.

Common Mistakes

She can't hack with the long hours.
She can't hack the long hours.
'hack' in this sense is transitive and takes a direct object, not a preposition.

4. To write or modify computer code in a quick, experimental, or improvised way, of

4.verbtransitive / intransitiveB2
Definition

To write or modify computer code in a quick, experimental, or improvised way, often as a hobby or to produce a workable solution rather than fully polished software.

Example

Nila spent the weekend hacking together a simple app for her photography blog.

hack together + object (quickly assembled)

A group of computer science students hacked at the code until the program finally ran.

Common collocations
  • hack together
  • hack on a project
  • hack code
  • hack a prototype
Synonyms
  • tinker

    broader; 'tinker' can mean working with any hardware or mechanical system, not just code

  • prototype

    more formal; 'prototype' implies a more structured and intentional process

  • experiment

    does not necessarily involve coding; 'experiment' is broader and more formal

Grammar Patterns

hack + object (code/program/script)

hack + together + object

Usage Note

This sense has a positive or neutral connotation in hobbyist and startup communities, emphasizing creativity and speed over formal methodology. Distinct from sense 5 (unauthorized computer intrusion).

Common Mistakes

He hacked into the company server and stole data.' (when meaning creative coding)
He hacked together a tool to sort his photo collection.
Sense 11 describes creative, non-malicious programming, not criminal intrusion.

5. in football, to break the rules by striking an opponent's leg with your foot dur

5.verbtransitive / intransitiveB2
Definition

in football, to break the rules by striking an opponent's leg with your foot during play

Example

The defender was sent off after he hacked down the striker in the penalty area.

hack + down + opponent — football foul

Beatriz watched in horror as players hacked at each other's legs throughout the match.

Common collocations
  • hack + down (opponent, striker)
  • hack + at (legs, ankles)
Synonyms
  • foul

    broader term for any illegal action in football

  • trip

    making a player fall by using the foot or leg

Grammar Patterns

hack + down + opponent

hack + at + opponent's legs

Usage Note

Mostly used in British football commentary. Can describe either a deliberate kick at an opponent's leg or an uncontrolled challenge that results in a foul.

Common Mistakes

He tackled the player cleanly.
He hacked the player's leg and was given a red card.
a hack is always a foul, never a fair tackle.

6. to strike a golf ball with poor technique, producing a weak or badly aimed shot

6.verbtransitive / intransitiveB2
Definition

to strike a golf ball with poor technique, producing a weak or badly aimed shot

Example

Theo hacked the ball out of the deep rough and into a bunker.

hack + out of + hazard — escaping a bad lie

Tanvi took three strokes just to hack her way out of the sand trap.

Common collocations
  • hack + out of (rough, bunker, sand trap)
  • hack + through (trees, bushes)
Synonyms
  • slice

    a specific type of bad golf shot that curves sideways

  • shank

    hitting the ball with the hosel of the club, a serious mis-hit

Grammar Patterns

hack + ball

hack + out of + hazard

hack + at + ball

Usage Note

Common when describing an amateur or struggling golfer's shot. The opposite of a clean, well-executed swing. Often used with out of to describe escaping a difficult lie.

7. to break into a person's telephone or voicemail service without authorisation, t

7.verbtransitiveB2
Definition

to break into a person's telephone or voicemail service without authorisation, typically to hear their stored audio messages

Example

A private detective had hacked the politician's phone and listened to his voice messages.

hack + object (phone) — unauthorised surveillance

The newspaper was accused of hacking the voicemail of celebrities to get stories.

hack + voicemail — media scandal context

Common collocations
  • hack + (phone, voicemail, answering machine, mobile)
  • hack + into + (phone system, voicemail box)
Synonyms
  • intercept

    broader term; can be legal or illegal

  • tap

    usually refers to wiretapping live calls, often with legal authorisation

Grammar Patterns

hack + object (phone, voicemail, answering machine)

Usage Note

Frequently appears in news reports about phone-hacking scandals. The target is often the voicemail system rather than live calls. Legally distinct from wiretapping (which intercepts active calls).

Common Mistakes

The police tapped his phone with a warrant.
The journalist hacked his voicemail without permission.
tapping is legal with a warrant; hacking is always illegal.

8. Taking a horse out at a gentle speed along paths or roads, purely for relaxation

8.verbtransitive / intransitiveB2
Definition

Taking a horse out at a gentle speed along paths or roads, purely for relaxation and enjoyment rather than for competition, racing, or work.

Example

Every Sunday, Christopher hacks along the river path for an hour or two.

hack along + route (prepositional pattern)

The riding school offers lessons for beginners who want to learn to hack safely.

Common collocations
  • hack along the lane
  • hack through the woods
  • hack out
  • go for a hack
Synonyms
  • ride

    more general term; 'ride' does not specify the relaxed, non-competitive nature of the activity

Grammar Patterns

hack + prepositional phrase (along/through/down)

hack + horse + prepositional phrase

Usage Note

Chiefly British English. The object, when used transitively, is the horse being ridden at a relaxed pace. More commonly used intransitively with a place or direction phrase.

Common Mistakes

I hacked my bicycle to the park.
I hacked my horse along the country lane.
'hack' in this sense only applies to horse riding, not to cycling or driving.

9. To make a short, dry, often repeated coughing sound, usually because of a tickle

9.verbintransitiveB1
Definition

To make a short, dry, often repeated coughing sound, usually because of a tickle in the throat, smoke, dust, or a need to clear one's airway.

Example

The dusty room made Élise hack repeatedly until she stepped outside.

cause (dusty room) + made + person + hack

João hacked into his handkerchief during the entire concert.

hack into + noun (handkerchief)

Common collocations
  • hack repeatedly
  • hack into a handkerchief
  • hack and wheeze
Synonyms
  • cough

    general term; 'cough' does not specify the dry, short quality that 'hack' implies

  • wheeze

    describes a whistling sound when breathing, not a cough; sometimes occurs alongside hacking

Grammar Patterns

hack + adverb (repeatedly/dryly)

hack + prepositional phrase

Usage Note

Describes a specific type of cough that is short, dry, and often irritating, rather than a deep or productive cough that brings up mucus.

Common Mistakes

The baby hacked all night with a wet cough.
The baby hacked all night with a dry, tickly cough.
'hack' describes a dry cough, not a productive one.

10. in rugby, to strike a loose ball on the ground with your foot, typically to adva

10.verbtransitive / intransitiveB2
Definition

in rugby, to strike a loose ball on the ground with your foot, typically to advance it up the field

Example

The scrum-half hacked the loose ball forward and chased it down the field.

hack + ball + forward — rugby kick

Anong managed to hack the ball out of the ruck and set up an attack.

Common collocations
  • hack + forward (ball)
  • hack + out of (ruck, scrum, maul)
Synonyms
  • kick

    general term; hack implies a less controlled, more urgent kick at a loose ball

Grammar Patterns

hack + ball + forward

hack + at + loose ball

Usage Note

Specific to rugby union and rugby league. The action involves kicking a ball that is not in anyone's hands, typically to advance it or force an error from the opposing team.

11. To work as a taxi driver, driving a cab to transport paying passengers to their

11.verbtransitive / intransitiveB2
Definition

To work as a taxi driver, driving a cab to transport paying passengers to their destinations.

Example

After retiring from teaching, Sari started hacking a cab in the evenings.

hack a cab (transitive object pattern)

Roya hacked a taxi in the city for ten years before opening her own café.

Common collocations
  • hack a cab
  • hack a taxi
  • spent years hacking

Grammar Patterns

hack + a cab/taxi

hack + prepositional phrase

Usage Note

Chiefly American informal usage. The object 'a cab' or 'a taxi' is typically used. Can also be used intransitively ('spent years hacking').

Common Mistakes

She hacked a bus for a living.
She hacked a cab for a living.
'hack' in this sense applies only to taxis, not to buses or other vehicles.
Phrasal verbs

hack away at

phrasal verb

to cut something repeatedly with rough, heavy strokes, especially to remove it or get through it

The woodcutter hacked away at the fallen tree until it was small enough to carry.

Paloma hacked away at the ice on her car windscreen with a plastic scraper.

hack into

phrasal verb

to gain unauthorised access to a computer system, network, or online account

The group claimed they could hack into any government database within minutes.

Defne's social media account was hacked into by someone who sent fake messages to her followers.

hack off

phrasal verb

to remove something by cutting it roughly with heavy strokes

The gardener hacked off the dead branches with a long saw before the storm arrived.

Beatriz hacked off a piece of the old wooden beam to use as firewood.

hack — noun

hack — adjective

Word family

Synonym discussion

Sense: verb/1

All three words describe unauthorised access to computer systems, but they differ in method and scope. Crack focuses on breaking through security measures — specifically, bypassing passwords or encryption. A system is cracked when a password is guessed or encryption is broken. Breach is broader and more formal; it describes a security failure that exposes data, regardless of how it happened (a stolen password, an insider leak, or a technical flaw). Infiltrate suggests long-term, stealthy intrusion into a network to gather intelligence over time, often by a state actor. For example: "Teenagers cracked the school firewall to change their grades" (method-focused), "The data breach affected three million customer records" (consequence-focused), and "The group infiltrated the defence contractor's network and monitored communications for six months" (stealthy, sustained).

Common collocations

Phrases

  • hack it
  • hack and slash
  • hack job
  • life hack
  • hack together
  • can't hack it

Prepositions

Etymology

Proto-GermanicOld EnglishMiddle EnglishEnglish

From Old English haccian ("to cut roughly, chop"), which evolved from Proto-Germanic *hakōną. The original meaning of cutting with rough strokes expanded into sports senses (football, rugby, golf) via the idea of a forceful kick or swing. By the 19th century, it had acquired the "mediocre writer" sense, possibly from the idea of a horse-drawn hackney carriage doing routine hired work (hence "hack writer" being someone who works for hire). The computing senses branched in two directions: "hack into" (unauthorised access, from the 1980s) and "hack together" (creative improvised coding, from MIT hacker culture in the 1960s). The modern "life hack" sense (2000s) extends the creative-coding connotation of a quick, clever solution into everyday life.