noun ·3 syllables ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   The state of being crazy; madness; derangement uncountable, usually
2. 2
   foolish or senseless behavior wordnet
3. 3
   The state of being broken down or weakened archaic, uncountable, usually

   "the craziness of a ship, or of the limbs"

4. 4
   the quality of being rash and foolish wordnet
5. 5
   The result or product of being crazy. countable, usually

Show 1 more definition

6. 6
   informal terms for insanity wordnet

Synonyms

All synonyms

aberrationabnormalityabsurdityalienationbrain damagebuffoonery

Antonyms

All antonyms

sanity

Example

More examples

"The craziness has crossed a line."

Etymology

From crazy + -ness.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.