466 entries under adjective topic. ×

16
imprudent(characteristic, weak, simple, careless)
16
harebrained(characteristic, weak, simple, knowledge)
16
illogical(characteristic, wrong, foolish, stupid)
16
nutty(light, weak, simple, wrong)
14
ignorant(characteristic, slight, detail, foolish)
14
immature(characteristic, foolish, innocent, absurd)
14
nitwitted(characteristic, foolish, stupid, senseless)
14
trivial(characteristic, slight, detail, small)
14
unintelligent(characteristic, weak, simple, slight)
13
balmy(characteristic, knowledge, slang, ability)
13
featherbrained(characteristic, ability, foolish, absurd)
13
simpleminded(characteristic, foolish, stupid, senseless)
13
wacky(light, weak, simple, wrong)
13
foolhardy(characteristic, foolish, crazy, fantastic)
13
impractical(characteristic, foolish, stupid, trivial)
13
inappropriate(characteristic, foolish, fantastic, rash)
13
inconsistent(characteristic, wrong, foolish, stupid)
13
muddle-headed(characteristic, foolish, absurd, stupidity)
12
farcical(characteristic, ridiculous, absurd, stupidity)
12
empty(characteristic, slight, detail, small)
10 years ago|39k views|share |citing 
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>