142 entries under foolish topic. ×

1
groundless(unreasonable, irrational, illogical, unreasoned)
1
gung ho(expression, adjective, keen, warm, passionate)
1
ill-advised(weak, simple, silly, crazy)
1
ill-considered(weak, simple, silly, thoughtless)
1
imprudent(weak, simple, silly, crazy)
1
incautious(weak, simple, silly, crazy)
1
indiscreet(weak, simple, silly, thoughtless)
1
injudicious(weak, simple, silly, unreasonable)
1
invalid(unreasonable, irrational, illogical, unreasoned)
1
keen(adjective, warm, passionate, excited, silly)
1
madcap(adjective, silly, crazy, funny)
1
nerdy(weak, simple, silly, thoughtless)
1
schizo(silly, mad, insane, absurd)
1
short-sighted(weak, simple, silly, thoughtless)
1
simple(adjective, weak, silly, stupid)
1
sophistic(unreasonable, irrational, illogical, unreasoned)
1
specious(unreasonable, irrational, illogical, unreasoned)
1
unzipped(silly, mad, insane, unwise)
1
warm(adjective, keen, passionate, excited, silly)
1
zealous(adjective, keen, warm, passionate, excited)
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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>