118 entries under crazy topic. ×

4
demented(adjective, wrong, wild, foolish, stupid)
4
heedless(adjective, careless, foolish, senseless)
4
madcap(adjective, careless, foolish, vague)
4
potty(adjective, wild, foolish, stupid)
3
dull(adjective, simple, flat, careless, foolish)
3
eccentric(adjective, wild, strange, foolish)
3
fantastic(adjective, weak, simple, wild, strange)
3
flaky(adjective, light, wrong, wild, foolish)
3
bonkers(adjective, simple, foolish, mad)
3
half-witted(adjective, dull, weak, simple, foolish)
2
buggy(foolish, irrational)
2
jerky(adjective, light, weak, simple, knowledge)
2
screwball(adjective, foolish, mad, insane)
2
besotted(adjective, inflamed, obsessed, enraptured)
2
erratic(adjective, wrong, wild, foolish, stupid)
2
impulsive(adjective, unreliable, changeable, erratic)
2
incautious(adjective, weak, simple, foolish)
2
odd(adjective, wild, strange, foolish, stupid)
2
out to lunch(expression, idiom, foolish, mad)
1
crazed(adjective, wild, foolish, stupid)
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APASmart Define. (2016). silly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/silly/thesaurus/synonyms
ChicagoSmart Define. 2016. "silly thesaurus" https://smartdefine.org/silly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, silly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/silly/thesaurus/synonyms>.
MLASmart Define. "silly thesaurus" 20 January 2016. Web. 23 September 2026. <https://smartdefine.org/silly/thesaurus/synonyms>