Synonyms|566Antonyms|143|Broader|8Narrower|4Related|2k

175 entries under foolish topic. ×

1
freaky(strange, silly, stupid, unreasonable)
1
ill-conceived(silly, fantastic, unwise, impractical)
1
impracticable(silly, fantastic, impractical, unreal)
1
inappropriate(silly, stupid, fantastic, absurd)
1
incautious(weak, simple, silly, thoughtless)
1
incoherent(stupid, unreasonable, senseless, irrational)
1
inconsequential(adjective, wrong, value, stupid)
1
knuckle-headed
1
lame-brained
1
meat-headed
1
nerdy(weak, simple, silly, thoughtless)
1
nitwit
1
of unsound mind(expression, idiom, silly, fantastic)
1
out of all reason(expression, idiom, silly, fantastic)
1
out to lunch(expression, idiom, dull, silly)
1
peculiar(silly, fantastic, unwise, impractical)
1
quixotic(silly, fantastic, impractical, unreal)
1
reasonless(stupid, unreasonable, senseless, irrational)
1
simple(adjective, dull, weak, silly)
1
strange(silly, fantastic, ridiculous, unwise)
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APASmart Define. (2015). nonsensical thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/nonsensical/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonsensical thesaurus" https://smartdefine.org/nonsensical/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, nonsensical thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/nonsensical/thesaurus/synonyms>.
MLASmart Define. "nonsensical thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/nonsensical/thesaurus/synonyms>