Synonyms|437Antonyms|61|Broader|7Narrower|0Related|1.2k
2
mad as a March hare(expression, idiom, silly, foolish, mad)
2
mad as a hatter(expression, idiom, silly, foolish, mad)
2
maverick
2
mentally strange(expression, silly, foolish, mad, insane)
2
meshugge
2
nonconformist
2
nutty as fruitcake(expression, idiom, silly, foolish, mad)
2
of unsound mind(expression, idiom, silly, foolish, mad)
2
original
2
out to lunch(expression, adjective, idiom, silly, crazy)
2
outlandish(adjective, silly, foolish, usual, unwise)
2
put
2
rara avis
2
ridiculous(adjective, silly, foolish, unwise)
2
screw loose(expression, silly, foolish, mad, insane)
2
type
2
unusual(adjective, usual)
2
unwise(silly, foolish)
2
zealot(noun, crazy, nut, fanatic, lunatic)
1
alien
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APASmart Define. (2015). screwball thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/screwball/thesaurus/synonyms
ChicagoSmart Define. 2015. "screwball thesaurus" https://smartdefine.org/screwball/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, screwball thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/screwball/thesaurus/synonyms>.
MLASmart Define. "screwball thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/screwball/thesaurus/synonyms>