Of unsound mind; insane, demented. / Out of control. / Very excited or enthusiastic. / In love; experiencing romantic feelings. / (informal) Very unexpected; wildly surprising.

(slang) Very, extremely.

(slang, countable) An insane or eccentric person; a crackpot. / (slang, uncountable) Eccentric behaviour; lunacy.

(uncountable) The state of being crazy; madness; derangement / (archaic, uncountable) The state of being broken down or weakened / (countable) The result or product of being crazy.

plural of crazy

plural of craziness

(slang) Of a prisoner, mentally unbalanced due to prolonged incarceration. / (slang, by extension) Restless, uncomfortable, or impatient due to inactivity or confinement.

(golf) A variation on golf, played on a smaller scale, where players have to putt the golf ball into a hole, past various obstructions.

A quilt made from random patches, without any unifying design. / (figuratively, by extension) An uncoordinated jumble of things, ideas, practices, policies, etc.

plural of crazy quilt