Crack

/kræk/

verbBeginnerVery CommonGeneral

Definitions

6 meanings
1

To break something slightly, or to cause something to break.

/kræk/

verbneutralBeginner
General

To break or cause to break without complete separation; split.

The ice cracked under my weight.

💡 Simply: When something *cracks*, it's like it's getting a tiny, broken line. Think of a cookie: if you press it too hard, it might crack!

👶 For kids: To break something a little bit, like when a cookie breaks a tiny bit.

More Examples

2

He cracked an egg into the pan.

3

The stress cracked her voice.

How It's Used

Everyday Speech

"The vase cracked when it fell on the floor."

Construction

"The foundation of the building began to crack after the earthquake."

2

A narrow opening caused by a break.

/kræk/

nounneutralBeginner
General

A line on a surface where something has broken but not separated.

There was a crack in the windshield.

💡 Simply: A *crack* is like a little line on something, like a scratch, or a tiny split. It's where something's starting to break.

👶 For kids: A little line on something that's broken a little bit, like a broken cookie.

More Examples

2

A crack appeared in the sidewalk after the earthquake.

3

He noticed a crack in the old painting.

How It's Used

Building Maintenance

"There's a crack in the wall that needs to be repaired."

Geology

"A crack appeared in the ground after the earth tremor."

Tip:Imagine a line, a break in something – that's a crack.
3

To solve a difficult problem or code.

/kræk/

verbneutralIntermediate
Technology

To break open (a code or a safe).

The detectives finally cracked the case.

💡 Simply: To *crack* something can also mean figuring it out, like a secret code or how to get into a locked box.

👶 For kids: To figure out a secret, like cracking a code.

More Examples

2

She was able to crack the encryption algorithm.

3

They hired a hacker to try and crack the password.

How It's Used

Technology

"They managed to crack the code and access the secure files."

Security

"The thieves were attempting to crack the safe."

Tip:Think of cracking a safe – you're trying to break into something guarded.
4

To make a sudden, sharp noise.

/kræk/

verbneutralBeginner
General

To make a sudden, sharp sound.

The thunder cracked overhead.

💡 Simply: When something *cracks*, it can also mean making a quick, loud sound, like when you snap your fingers!

👶 For kids: To make a quick, loud noise like a whip.

More Examples

2

He cracked his knuckles.

3

The bat cracked against the ball.

How It's Used

Everyday Speech

"The whip cracked loudly in the air."

Sports

"The batter cracked the ball, sending it flying over the fence."

Tip:Think of the sound of a whip or a firecracker.
5

A joke.

/kræk/

nouninformalBeginner
General

He made a crack about the situation.

💡 Simply: A *crack* can be a funny thing you say to make someone laugh.

👶 For kids: A joke! Something funny you say.

More Examples

2

She couldn't resist making a crack about his new haircut.

3

The host told a few cracks to keep the audience entertained.

How It's Used

Informal Speech

"He told a few cracks to lighten the mood."

Humor

"The comedian delivered a series of cracks."

Tip:Like a quick verbal "crack" of wit.
6

A highly addictive form of cocaine.

/kræk/

nounnegativeIntermediate
Medical

A slang term for a form of cocaine.

The city is facing a crack epidemic.

💡 Simply: This *crack* is a dangerous drug that people become addicted to.

👶 For kids: A bad kind of drug that's not good for you.

More Examples

2

The police are working to combat the crack trade.

3

She entered rehab to overcome her crack addiction.

How It's Used

Drug Culture

"He was addicted to crack and struggling to recover."

Legal/Criminal Context

"The police seized a large quantity of crack cocaine during the raid."

Tip:This is a different type of crack to the others. Usually associated with trouble.

Idioms & expressions

Crack a joke

To tell a joke.

"He cracked a joke to make everyone laugh."

Crack the whip

To enforce discipline or control, often through strict or authoritarian means.

"The new manager decided to crack the whip to improve productivity."

Crack under pressure

To fail or lose control due to stress or difficulty.

"He cracked under pressure during the final exam."

Crack a smile

To begin to smile or show signs of amusement.

"He cracked a smile when he heard the funny story."

From Middle English *cracken*, from Old English *cracian* ('to make a sudden sharp sound'), related to Proto-Germanic *krakōną*.

The word 'crack' has been used since Old English, initially referring to a sudden, sharp sound. Its meaning has broadened over time.

Memory tip

Imagine you're trying to break a small branch – you'd crack it.

crakcrac

Usage

60%Spoken
40%Written