Synonyms: tomfoolery, craziness, lunacy, folly, foolery, indulgence
Definition: foolish or senseless behavior
Similar words: caper, frolic, gambol, romp, play
Definition: gay or light-hearted recreational activity for diversion or amusement
Usage: it was all done in play; their frolic in the surf threatened to become ugly
Synonyms: folly, foolishness, craziness, madness
Definition: the quality of being rash and foolish
Usage: trying to drive through a blizzard is the height of folly; adjusting to an insane society is total foolishness
Similar words: stupidity
Definition: a poor ability to understand or to profit from experience
Synonyms: flakiness, daftness, craziness
Definition: informal terms for insanity
Similar words: insanity
Definition: relatively permanent disorder of the mind