CRACKING

To form cracks.

"It's been so dry, the ground is starting to crack."

To break apart under pressure.

"When I tried to stand on the chair, it cracked."

To become debilitated by psychological pressure.

"Anyone would crack after being hounded like that."

The thermal decomposition of a substance, especially that of crude petroleum in order to produce petrol / gasoline.

The formation of cracks on a surface.

The production of a crack sound.

"the crackings of whips"

Great.

"The race started at a cracking pace."

Enjoyable.

"We had a cracking time."

Very, usually associated with praise.

"It was a cracking good show."