271 entries under adjective topic. ×

9
fruity(slang, silly, foolish, mad)
9
haywire(crazy, broken)
9
moronic(weak, simple, knowledge, ability)
9
oddball(noun, characteristic, person, unusual)
9
round the bend(expression, idiom, silly, foolish)
9
sappy(knowledge, slang, ability, strange)
9
wild(wrong, strange, silly, foolish)
8
asinine(weak, simple, silly, foolish)
8
cockamamie(weak, simple, wrong, silly)
8
deranged(wild, silly, foolish, stupid)
8
erratic(unusual, wild, strange, silly)
8
irrational(weak, simple, informal, unusual)
8
loco(noun, slang, sane)
8
witless(informal, foolish, crazy, mad)
7
bananas(slang, sane)
7
cockamamy(silly, foolish, thoughtless, unwise)
7
cranky(characteristic, person, behavior)
7
gaga(keen, warm, informal, passionate)
7
ridiculous(light, weak, simple, wrong)
7
stupid(weak, simple, wrong, wild)
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APASmart Define. (2016). wacky thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/wacky/thesaurus/synonyms
ChicagoSmart Define. 2016. "wacky thesaurus" https://smartdefine.org/wacky/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, wacky thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/wacky/thesaurus/synonyms>.
MLASmart Define. "wacky thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/wacky/thesaurus/synonyms>