crack
//kræk//
Noun
A narrow opening or line of breakage in a surface or object, especially one that does not completely separate the parts.
There's a crack in the wall that needs to be repaired.
A sharp sound made when something breaks or snaps.
We heard a loud crack as the branch broke.
An attempt or try at doing something.
Let me have a crack at fixing the computer.
A joke or witty remark, often made at someone's expense.
He made a crack about my new haircut.
A highly addictive form of cocaine that has been processed into a crystalline rock form.
Crack is extremely dangerous and highly addictive.
Verb
To break or cause to break without complete separation of parts, forming a fissure.
The ice on the lake cracked under his weight.
To make a sudden sharp sound.
The whip cracked loudly in the air.
To solve or decipher something difficult, such as a code or problem.
The detective finally cracked the code.
To break down or lose control emotionally or mentally under pressure.
He cracked under the pressure of the final exam.
To tell a joke or make a witty remark.
He cracked a joke to lighten the mood.
Adjective
Of the highest quality or skill; excellent or expert.
He's a crack shot with a rifle.