1. Informal term for insanity
   - daftness, flakiness 
2. The quality of being rash and foolish
   - folly, foolishness, madness, nuttiness 
3. Foolish or senseless behaviour
   - folly, foolery, tomfoolery, lunacy, indulgence

Derived forms: crazinesses

See also: crazy

Type of: caper, frolic, gambol, insanity, play, romp, stupidity

• allusion
• allusive
• allusively
• allusiveness
• alluvial
• alluvial cone
• alluvial deposit
• alluvial fan
• alluvial flat
• alluvial plain
• alluvial sediment
• alluvial soil
• alluviation
• alluvion
• alluvium
• ally
• ally with
• allyl
• allyl alcohol
• allyl group
• allyl radical
• allyl resin
• allylic
• alma mater
• Alma-Ata