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

• Agelaius phoeniceus
• ageless
• agelessness
• agelong
• agency
• agency security
• agenda
• agenda item
• agendum
• Agene
• agenesia
• agenesis
• Agenise
• Agenize
• agent
• agent bank
• Agent Orange
• agent provocateur
• agent-in-place
• agential
• agentive role
• agerasia
• Ageratina
• Ageratina altissima
• ageratum