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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)
Recent Examples on the Web
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
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