252 entries under silly topic. ×

9
hare-brained(adjective, crazy, zany, wacky)
9
harebrained(adjective, weak, simple, knowledge, ability)
9
irresponsible(adjective, careless, stupid, fantastic)
9
outlandish(adjective, offensive, rude, wild, strange)
9
vacuous(adjective, careless, indifferent, stupid)
8
balmy(adjective, knowledge, slang, ability, wild)
8
batty(adjective, wild, stupid, crazy)
8
comical(adjective, strange, crazy, insane)
8
cuckoo(adjective, stupid, unwise)
8
empty-headed(adjective, slight, careless, indifferent)
8
heedless(adjective, careless, wild, stupid)
8
ignorant(adjective, simple, slight, rough)
8
lunatic(adjective, weak, simple, knowledge, ability)
8
nuts(adjective, simple, rough, wild, strange)
8
outrageous(adjective, rough, careless, wild, strange)
8
screwy(adjective, wild, stupid, crazy)
8
shallow(adjective, dull, slight, stupid)
8
weak(adjective, simple, thoughtless, absurd)
7
demented(adjective, wrong, wild, strange)
7
jerky(adjective, weak, simple, knowledge, slang)
10 years ago|43k views|share |citing 
APASmart Define. (2016). foolish thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/foolish/thesaurus/synonyms
ChicagoSmart Define. 2016. "foolish thesaurus" https://smartdefine.org/foolish/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, foolish thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/foolish/thesaurus/synonyms>.
MLASmart Define. "foolish thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/foolish/thesaurus/synonyms>