lunacy

English Thesaurus

1. foolish or senseless behavior (noun.act)

hypernym	:	caper, frolic, gambol, play, romp,
definition	:	gay or light-hearted recreational activity for diversion or amusement (noun.act)

hyponym	:	meshugaas, mishegaas, mishegoss,
definition	:	(Yiddish) craziness; senseless behavior or activity (noun.act)

hyponym	:	buffoonery, clowning, frivolity, harlequinade, japery, prank,
definition	:	acting like a clown or buffoon (noun.act)

2. obsolete terms for legal insanity (noun.state)

hypernym	:	insanity,
definition	:	relatively permanent disorder of the mind (noun.state)

3. foolish or senseless behavior (noun.act)

derivation	:	arse around, fool, fool around, horse around,
definition	:	indulge in horseplay (verb.communication)

derivation	:	crazy,
definition	:	possessed by inordinate excitement (adj.all)

derivation	:	crazy, half-baked, screwball, softheaded,
definition	:	foolish; totally unsound (adj.all)

derivation	:	lunatic, moonstruck,
definition	:	insane and believed to be affected by the phases of the moon (adj.all)

4. obsolete terms for legal insanity (noun.state)

derivation	:	insane,
definition	:	afflicted with or characteristic of mental derangement (adj.all)

derivation	:	brainsick, crazy, demented, disturbed, mad, sick, unbalanced, unhinged,
definition	:	affected with madness or insanity (adj.all)

derivation	:	lunatic, moonstruck,
definition	:	insane and believed to be affected by the phases of the moon (adj.all)

5. foolish or senseless behavior (noun.act)

derivation	:	arse around, fool, fool around, horse around,
definition	:	indulge in horseplay (verb.communication)

derivation	:	crazy,
definition	:	possessed by inordinate excitement (adj.all)

derivation	:	crazy, half-baked, screwball, softheaded,
definition	:	foolish; totally unsound (adj.all)

derivation	:	lunatic, moonstruck,
definition	:	insane and believed to be affected by the phases of the moon (adj.all)

6. obsolete terms for legal insanity (noun.state)

derivation	:	insane,
definition	:	afflicted with or characteristic of mental derangement (adj.all)

derivation	:	brainsick, crazy, demented, disturbed, mad, sick, unbalanced, unhinged,
definition	:	affected with madness or insanity (adj.all)

derivation	:	lunatic, moonstruck,
definition	:	insane and believed to be affected by the phases of the moon (adj.all)