466 entries under adjective topic. ×

12
juvenile(characteristic, stupidity, foolishness)
12
loony(light, weak, simple, wrong)
12
sappy(soft, knowledge, slang, ability)
12
wild(wrong, strange, foolish, stupid)
11
imbecile(noun, dull, simple, fool)
11
thoughtless(feature, state, wrong, condition)
11
dumb(foolish, stupid, crazy, vague)
11
zany(weak, simple, knowledge, ability)
10
hare-brained(foolish, crazy, zany)
9
scatterbrained
9
batty(light, wild, foolish, stupid)
9
shallow(slight, detail, small, foolish)
9
light-headed
9
nuts(wild, foolish, stupid, crazy)
9
screwy(light, wild, foolish, stupid)
9
soft(tender, sweet, stupid, emotional)
8
cockamamie(weak, simple, foolish, crazy)
8
airheaded(stupid, unreliable, changeable, erratic)
8
cockamamy(foolish, thoughtless, unwise, unintelligent)
8
comical(ridiculous, amusing)
10 years ago|39k views|share |citing 
APASmart Define. (2016). silly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/silly/thesaurus/synonyms
ChicagoSmart Define. 2016. "silly thesaurus" https://smartdefine.org/silly/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, silly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/silly/thesaurus/synonyms>.
MLASmart Define. "silly thesaurus" 20 January 2016. Web. 24 September 2026. <https://smartdefine.org/silly/thesaurus/synonyms>