Synonyms|116Antonyms|0|Broader|1Narrower|0Related|21

17 entries under crazy topic. ×

4
nut(noun, fanatic, loony, lamebrain)
3
crackpot(noun, loony)
3
screwball(noun, fool, loony, dummy)
2
crank(noun, loony)
2
lunatic(noun, loony)
1
bedlamite(noun, nut, fanatic, loony)
1
dement(noun, nut, fanatic, loony)
1
maniac(noun, loony, lamebrain, schizoid)
0
bigot(noun, loony)
0
eccentric(noun, loony)
0
fanatic(noun, loony, dingbat, ultraist)
0
fiend(noun, loony)
0
freak(noun, loony)
0
loony(noun, lamebrain, schizoid, dingbat)
0
non compos mentis(noun, expression, idiom, nut)
0
overenthusiastic person(noun, expression, loony, dement)
0
zealot(noun, loony)
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ChicagoSmart Define. 2015. "harebrain thesaurus" https://smartdefine.org/harebrain/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, harebrain thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/harebrain/thesaurus/synonyms>.
MLASmart Define. "harebrain thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/harebrain/thesaurus/synonyms>