105 entries under simple topic. ×

43
foolish(adjective, characteristic, weak, wrong)
43
stupid(noun, adjective, characteristic, person, weak)
43
ridiculous(adjective, characteristic, light, weak)
42
nonsensical(adjective, characteristic, weak, wrong)
38
crazy(adjective, characteristic, light, weak)
38
absurd(adjective, characteristic, light, weak)
38
fatuous(adjective, characteristic, weak, ability)
37
idiotic(adjective, characteristic, weak, knowledge)
36
ludicrous(adjective, characteristic, light, weak)
32
asinine(adjective, characteristic, dull, weak)
32
preposterous(adjective, characteristic, weak, wrong)
31
senseless(adjective, characteristic, weak, wrong)
25
irrational(adjective, characteristic, weak, careless)
25
mad(adjective, weak, wrong, knowledge)
24
brainless(adjective, characteristic, weak, wrong)
24
insane(adjective, weak, wrong, knowledge)
22
witless(adjective, characteristic, dull, weak)
22
fool(noun, adjective, person, light)
21
daft(adjective, characteristic, weak, wild)
20
imbecilic(adjective, weak, knowledge, ability)
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APASmart Define. (2016). silly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/silly/thesaurus/synonyms
ChicagoSmart Define. 2016. "silly thesaurus" https://smartdefine.org/silly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, silly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/silly/thesaurus/synonyms>.
MLASmart Define. "silly thesaurus" 20 January 2016. Web. 21 September 2026. <https://smartdefine.org/silly/thesaurus/synonyms>