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- Dictionarylu·na·tic/ˈlo͞onəˌtik/
noun
- 1. a mentally ill person (not in technical use). Similar maniacmadmanmadwomanpsychopathpsychoticinformal:loonyloonnutnutcasenutjobcuckoohead caseheadbangerscrewballpsychonutterradgewing nuthave a screw loosehave bats in the/one's belfry
- ▪ an extremely foolish or eccentric person: "this lunatic just accelerated out of the side of the road" Similar foolidiotimbecilemoron
adjective
- 1. mentally ill (not in technical use): "a ward of lunatic old ladies" Similar madinsanementally illcertifiablederangeddementedof unsound mindout of one's mindnot in one's right mindsick in the headnot togethercrazycrazednon compos mentisunbalancedunhingedunstabledisturbeddistractedstark madmanicfrenziedravingdistraughtfrantichystericaldeliriouspsychoticpsychopathicmad as a hattermad as a March harefoaming at the mouthsectionableinformal:mentaloff one's headout of one's headoff one's nutnutsnuttynutty as a fruitcakeoff one's rockernot (quite) right in the headaround the bendstark raving madraving madbatsbonkerscuckoocrackedloopyloonybananaslocodippyscrewyschizoidtouchedgagaoff the wallnot all therenot right upstairsbarmycrackersbarkingbarking madstark staring maddottybattyround the twistoff one's trolleyas daft as a brushnot the full shillingup the poleaway with the fairiesbuggynutsynutsoout of one's treemeshugasquirrellywackoinformal:bushedyarraporangihave kangaroos in the/one's top paddockOpposite sane
- ▪ extremely foolish, eccentric, or absurd: "he would be asked to acquiesce in some lunatic scheme" Similar foolishstupidsillyidiotichalfwittedwitlessbrainlessmindlessthoughtlessimprudentincautiousirresponsibleinjudiciousindiscreetunwiseunintelligentunreasonableill-advisedill-consideredimpoliticrashrecklessfoolhardylunaticabsurdsenselesspointlessnonsensicalinanefatuousridiculouslaughablerisiblederisibleinformal:dumbdimdimwitteddopeydamfoolhalf-bakedharebrainedcrackbrainedpeabrainedwooden-headedthickheadednuttymadcrazydippycuckooscrewywackybarmydaftbattydottygormlessglaikitdumb-asschowderheadeddotishOpposite sensiblewise
Word Origin Middle English: from Old French lunatique, from late Latin lunaticus, from Latin luna ‘moon’ (from the belief that changes of the moon caused intermittent insanity).
Scrabble Points: 9
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