crack

of the highest quality“an ace reporter”

a usually brief attempt“he took a crack at it”

a long narrow cleft

a long narrow depression in a surface

witty remark

a sudden sharp noise“the crack of a whip”

a purified and potent form of cocaine that is smoked rather than snorted; highly addictive

the act of cracking something

a narrow opening“he opened the window a crack”

a chance to do something“he wanted a shot at the champion”

a blemish resulting from a break without complete separation of the parts“there was a crack in the mirror”

become fractured; break or crack on the surface only“The glass cracked when it was heated”

suffer a nervous breakdown

cause to become cracked“heat and light cracked the back of the leather chair”

make a sharp sound“his fingers snapped”

pass through (a barrier)“Registrations cracked through the 30,000 mark in the county”

break suddenly and abruptly, as under tension“The pipe snapped”

make a very sharp explosive sound“His gun cracked”

hit forcefully; deal a hard blow, making a cracking noise“The teacher cracked him across the face with a ruler”

break partially but keep its integrity“The glass cracked”

gain unauthorized access computers with malicious intentions“she cracked my password”

tell spontaneously“crack a joke”

reduce (petroleum) to a simpler compound by cracking

break into simpler molecules by means of heat“The petroleum cracked”