• synonyms

nut case

See more synonyms for nut case on Thesaurus.com
noun Slang.
  1. a deranged person; lunatic.
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Origin of nut case

First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

bigot, freak, lunatic, fanatic, loony, zealot, fiend, psycho, psychopath, maniac, sociopath, misfit, geek, crackpot, enthusiast, kook, screwball, nut, flake, loon

British Dictionary definitions for nutcase


  1. slang an insane or very foolish person
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012