Noun: lunacy loo-nu-see
- Foolish or senseless behaviour
"The court jester's lunacy amused the king";
- folly, foolery, tomfoolery, craziness, indulgence
- [archaic] Insanity
"In historical legal documents, the term lunacy was used to describe mental incompetence";
- madness [archaic], insaneness [archaic]
Derived forms: lunacies
Type of: caper [informal], craziness [informal], frolic, gambol, insanity, madness, play, romp
Encyclopedia: Lunacy