crack

Sense 1 noun

a long narrow opening

Sense 2 verb

become fractured; break or crack on the surface only

The glass cracked when it was heated

Sense 3 adjective

of the highest quality

an ace reporter

Sense 4 noun

a narrow opening

he opened the window a crack

Sense 5 verb

make a very sharp explosive sound

His gun cracked

Sense 6 noun

a long narrow depression in a surface

Sense 7 verb

make a sharp sound

his fingers snapped

Sense 8 noun

a sudden sharp noise

the crack of a whip

Sense 9 verb

hit forcefully; deal a hard blow, making a cracking noise

The teacher cracked him across the face with a ruler

Sense 10 noun

a chance to do something

he wanted a shot at the champion

Sense 11 verb

pass through (a barrier)

Registrations cracked through the 30,000 mark in the county

Sense 12 noun

witty remark

Sense 13 verb

break partially but keep its integrity

The glass cracked

Sense 14 noun

a blemish resulting from a break without complete separation of the parts

there was a crack in the mirror

Sense 15 verb

break suddenly and abruptly, as under tension

The pipe snapped

Sense 16 noun

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

Sense 17 verb

gain unauthorized access computers with malicious intentions

she cracked my password

Sense 18 noun

a usually brief attempt

he took a crack at it

Sense 19 verb

suffer a nervous breakdown

Sense 20 noun

the act of cracking something

Sense 21 verb

tell spontaneously

crack a joke

Sense 22 verb

cause to become cracked

heat and light cracked the back of the leather chair

Sense 23 verb

reduce (petroleum) to a simpler compound by cracking

Sense 24 verb

break into simpler molecules by means of heat

The petroleum cracked