466 entries under adjective topic. ×

6
punch-drunk
5
sentimental(soft, sweet, foolish, emotional)
5
tomfool(noun, knowledge, ability, fool)
5
unthinking(wrong, slight, careless, foolish)
5
buffoonish
5
cockeyed(knowledge, ability, informal, foolish)
5
feeble-minded(foolish, stupid, vague, impulsive)
5
ill-advised(weak, simple, careless, foolish)
5
ill-considered(weak, simple, foolish, stupid)
5
lunatic(weak, simple, knowledge, ability)
5
sheepheaded(characteristic, foolish, absurd, stupidity)
5
weak-minded(ability, planned)
5
whacky
4
birdbrained(slang, ability, foolish, stupid)
4
rattle-brained
4
simple-minded(foolish, stupid, green, fat)
4
slight(detail, small, trivial, worthless)
4
barmy(foolish, crazy, mad, trivial)
4
bird-brained
4
cracked(wild, foolish, stupid, crazy)
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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>