58 entries under silly topic. ×

3
idiotic(adjective, dull, simple, foolish)
3
insensate(noun, adjective, dull, hard, simple)
3
senseless(adjective, dull, simple, careless)
3
simple-minded(adjective, simple, slow, stupid)
2
half-witted(adjective, dull, simple, slow)
2
imbecile(adjective, dull, simple, foolish)
2
inane(adjective, dull, simple, slow, careless)
2
shallow(adjective, simple, slow, stupid)
2
unmindful(adjective, foolish, innocent, senseless)
1
careless(adjective, hard, foolish, stupid)
1
gullible(adjective, dull, simple, slow)
1
heedless(adjective, careless, foolish, senseless)
1
illiterate(adjective, stupid, innocent, green)
1
inattentive(adjective, careless, foolish, stupid)
1
inexperienced(adjective, stupid, innocent, green)
1
neglectful(adjective, careless, foolish, stupid)
1
negligent(adjective, careless, foolish, senseless)
1
nitwitted(adjective, foolish, stupid, senseless)
1
oblivious(adjective, foolish, innocent, senseless)
1
rash(adjective, dull, simple, slow, careless)
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APASmart Define. (2015). obtuse thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/obtuse/thesaurus/synonyms
ChicagoSmart Define. 2015. "obtuse thesaurus" https://smartdefine.org/obtuse/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, obtuse thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/obtuse/thesaurus/synonyms>.
MLASmart Define. "obtuse thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/obtuse/thesaurus/synonyms>