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

175 entries under foolish topic. ×

6
weird(adjective, silly, fantastic, ridiculous)
5
cuckoo(adjective, silly, unwise)
5
daffy(adjective, weak, simple, strange)
5
dopey(adjective, dull, knowledge, slang, ability)
5
incongruous(adjective, wrong, silly, stupid)
5
inconsistent(adjective, simple, wrong, silly)
5
mindless(adjective, dull, simple, wrong, silly)
5
nuts(adjective, silly, unwise)
5
screwball(adjective, silly, unwise)
5
unthinking(adjective, dull, stupid, unreasonable)
5
unwise(adjective, weak, simple, wrong, wild)
4
batty(adjective, wild, silly, stupid)
4
blockheaded(adjective, impractical, half-baked, doomed)
4
cockamamie(weak, simple, unreasonable, illogical)
4
half-witted(adjective, dull, weak, simple, silly)
4
ill-advised(dull, weak, simple, silly)
4
irresponsible(adjective, silly, stupid, fantastic)
4
loopy(adjective, knowledge, ability, informal)
3
dim-witted
3
doltish(adjective, dull, weak, simple, silly)
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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>