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: insaneness, lunacy, madness
Definition: obsolete terms for legal insanity
Similar words: insanity
Definition: relatively permanent disorder of the mind