466 entries under adjective topic. ×

3
fantastic(weak, simple, wild, strange)
3
flaky(light, wrong, wild, foolish)
3
thick(stupid, unreasonable, green, fat)
3
trifling
3
unimportant(slight, small, foolish, stupid)
3
useless(stupid, insignificant, senseless, ridiculous)
3
vain(slight, small, stupid, insignificant)
3
bonkers(simple, foolish, crazy, mad)
3
droll
3
fallacious(foolish, unreasonable, absurd, irrational)
3
frothy
3
grotesque
3
gullible(stupid, innocent, green, fat)
3
half-witted(dull, weak, simple, foolish)
3
hasty(slight, detail, foolish, trivial)
3
haywire
3
ill-judged(impractical, half-baked, doomed, imbecility folly)
3
implausible(absurd, excessive, expensive, steep)
3
improper
3
indiscreet(weak, simple, foolish, thoughtless)
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APASmart Define. (2016). silly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/silly/thesaurus/synonyms
ChicagoSmart Define. 2016. "silly thesaurus" https://smartdefine.org/silly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, silly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/silly/thesaurus/synonyms>.
MLASmart Define. "silly thesaurus" 20 January 2016. Web. 23 September 2026. <https://smartdefine.org/silly/thesaurus/synonyms>