158 entries under silly topic. ×

2
meaningless(adjective, false, stupid, insignificant)
2
nutty as fruitcake(expression, idiom, foolish, insane)
2
purposeless(adjective, stupid, insignificant, ridiculous)
2
schizo(adjective, foolish, insane, unwise)
2
unzipped(adjective, upset, wild, foolish)
1
bedlamite(adjective, simple, foolish, crazy)
1
derailed(adjective, wrong, wild, foolish)
1
dingy(foolish, insane, unwise)
1
doltish(weak, simple, foolish, thoughtless)
1
double talk(expression, adjective, stupid, insignificant)
1
feebleminded(weak, simple, foolish, thoughtless)
1
gung ho(expression, adjective, concern, slang)
1
impracticable(adjective, rough, wild, foolish)
1
inconsistent(adjective, false, foolish, stupid)
1
mentally strange(expression, foolish, insane, unwise)
1
nerdy(weak, simple, foolish, thoughtless)
1
off the wall(expression, adjective, idiom, unusual, strange)
1
screw loose(expression, foolish, insane, unwise)
1
simple(adjective, weak, foolish, stupid)
1
unpredictable(adjective, passionate, violent, lively)
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APASmart Define. (2016). mad thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/mad/thesaurus/synonyms
ChicagoSmart Define. 2016. "mad thesaurus" https://smartdefine.org/mad/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, mad thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/mad/thesaurus/synonyms>.
MLASmart Define. "mad thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/mad/thesaurus/synonyms>