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Synonyms
bug, crackbrain, crazy, fool, fruitcake, head case, loon, loony, lunatic, nut, nutcase, nutter [British slang], psycho, psychopath, sickie, sicko, wacko (also whacko)
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These example sentences are selected automatically from various online news sources to reflect current usage of the word 'maniac.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
circa 1763, in the meaning defined at sense 1
Late Latin maniacus maniacal, from Greek maniakos, from mania
More Definitions for maniac
maniac
See the full definition for maniac in the English Language Learners Dictionary
More from Merriam-Webster on maniac
Rhyming Dictionary: Words that rhyme with maniac
Thesaurus: All synonyms and antonyms for maniac
Spanish Central: Translation of maniac
Nglish: Translation of maniac for Spanish Speakers
Britannica English: Translation of maniac for Arabic Speakers
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