100 entries under ridiculous topic. ×

12
farcical(adjective, characteristic, absurd, stupidity)
12
loony(adjective, light, weak, simple, wrong)
12
sappy(adjective, soft, knowledge, slang, ability)
12
wild(adjective, wrong, strange, foolish, stupid)
9
batty(adjective, light, wild, foolish, stupid)
8
comical(adjective, amusing)
7
outlandish(adjective, foolish, absurd, unwise)
6
daffy(adjective, simple, foolish, stupid, crazy)
6
futile(adjective, stupid, insignificant, useless, senseless)
5
unthinking(adjective, wrong, slight, careless, foolish)
4
demented(adjective, wrong, wild, foolish, stupid)
4
incongruous(adjective, foolish, stupid, insignificant, unreasonable)
4
inconsequential(adjective, wrong, slight, small, foolish)
4
jejune(adjective, dull, soft, slight, flat)
4
vapid(adjective, dull, soft, slight, flat)
3
bizarre(adjective, wild, strange, foolish, stupid)
3
eccentric(adjective, wild, strange, foolish, crazy)
3
flaky(adjective, light, wrong, wild, foolish)
3
unimportant(adjective, slight, small, foolish, stupid)
3
useless(adjective, stupid, insignificant, senseless)
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APASmart Define. (2016). silly thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/silly/thesaurus/synonyms
ChicagoSmart Define. 2016. "silly thesaurus" https://smartdefine.org/silly/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, silly thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/silly/thesaurus/synonyms>.
MLASmart Define. "silly thesaurus" 20 January 2016. Web. 29 September 2026. <https://smartdefine.org/silly/thesaurus/synonyms>