Crack

a long narrow opening

a narrow opening

a long narrow depression in a surface

a sudden sharp noise

a chance to do something

witty remark

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

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

a usually brief attempt

the act of cracking something

become fractured

make a very sharp explosive sound

make a sharp sound

hit forcefully

pass through (a barrier)

break partially but keep its integrity

break suddenly and abruptly, as under tension

gain unauthorized access computers with malicious intentions

suffer a nervous breakdown

tell spontaneously

cause to become cracked

reduce (petroleum) to a simpler compound by cracking

break into simpler molecules by means of heat

of the highest quality