134 entries under silly topic. ×

5
reckless(adjective, stupid, crazy, mad)
5
screwball(adjective, foolish, unwise)
5
unwise(adjective, weak, simple, wrong, wild)
4
batty(adjective, wild, foolish, stupid)
4
half-witted(adjective, dull, weak, simple)
4
ill-advised(dull, weak, simple, foolish)
4
irresponsible(adjective, foolish, stupid, fantastic)
3
doltish(adjective, dull, weak, simple)
3
eccentric(adjective, foolish, fantastic, ridiculous)
3
foolhardy(adjective, foolish, stupid, fantastic)
3
half-baked(dull, simple, foolish, stupid)
3
harebrained(adjective, weak, simple, knowledge, ability)
3
imprudent(adjective, weak, simple, severe, harsh)
3
jerky(adjective, weak, simple, knowledge, slang)
3
puerile(adjective, dull, foolish, stupid)
3
short-sighted(adjective, weak, simple, foolish)
3
thoughtless(adjective, foolish, stupid, senseless)
3
unintelligent(adjective, dull, weak, simple)
2
cockamamy(foolish, thoughtless, unwise, unintelligent)
2
demented(foolish, crazy, mad, unreasonable)
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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>