English Explanatory Dictionary

lunatic

English dictionary entry

Meanings

noun
  1. An insane person.
adj
  1. Crazed, mad, insane, demented.
  2. Relating to the Moon; lunar.
  3. Influenced or affected by the Moon.

Pronunciation

/ˈluːnətɪk/ LL-Q1860 (eng)-Vealhurl-lunatic.wav /luːˈnæətɪk/

Word forms

lunatic lunatics lunatick more lunatic most lunatic

Etymology

From Middle English lunatik, from Old French lunatique, from Late Latin lunaticus (“moonstruck”), derived from Latin luna (“moon”), the connection stemming from the belief that changes of the moon caused intermittent insanity.

Synonyms

moonling basket case basket weaver crack crackpot crazy crazyhead dingbat eccentric fruit and nut case fruit cake fruit loop fruitloop head case kook loony loony tune lunatic madcap madhead mental case nut nut ball nutbar nutburger nutcase nutjob nutter psycho psychoceramic schizo screwball space cadet space pilot unconventional wackadoo wackadoodle wacko whackjob whacko weirdo wingnut space case crazed insane mad demented maniacal psychotic

Related words

lunatic soup de lunatico inquirendo

Derived words

lunachick lunacy lunatical lunatic asylum lunatic fringe lunatics have taken over the asylum Lunix saloonatic lunatically
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