158 entries under silly topic. ×

5
ill-advised(adjective, weak, simple, foolish)
5
ill-considered(adjective, weak, simple, foolish)
5
indiscreet(adjective, weak, simple, foolish)
5
outlandish(adjective, unusual, strange, foolish)
5
round the bend(expression, idiom, foolish, insane)
5
screwball(adjective, foolish, crazy, insane)
5
strange(adjective, unusual, foolish, marvelous)
5
unglued(adjective, upset, wild, foolish)
5
unsettled(adjective, foolish, stupid, hot)
4
incautious(adjective, weak, simple, rough)
4
quixotic(adjective, foolish, unwise)
4
weird(adjective, unusual, wild, strange)
3
bizarre(adjective, wrong, unusual, wild, strange)
3
buggy(adjective, slang, foolish, crazy)
3
erratic(adjective, unusual, wild, strange, lively)
3
half-baked(weak, simple, foolish, thoughtless)
3
half-witted(weak, simple, foolish, thoughtless)
3
impractical(adjective, wrong, wild, foolish)
3
injudicious(adjective, weak, simple, foolish)
3
jerky(adjective, weak, simple, knowledge, slang)
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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>