Serious Thesaurus / Antonyms / page 4

2	light-headed
2	light-minded
2	lightheaded
2	little
2	loony
2	ludicrous
2	merry(adjective, happy, festive)
2	noncritical
2	nonintellectual
2	nonsensical
2	preposterous
2	riotous
2	safe
2	scatterbrained
2	screaming
2	sidesplitting
2	teasing
2	unwise
2	wacky
1	flimsy(adjective, strong, sound, implausible, unconvincing)

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APA	Smart Define. (2016). serious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/serious/thesaurus/antonyms
Chicago	Smart Define. 2016. "serious thesaurus" https://smartdefine.org/serious/thesaurus/antonyms (accessed September 25, 2026).
Harvard	Smart Define 2016, serious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/serious/thesaurus/antonyms>.
MLA	Smart Define. "serious thesaurus" 24 February 2016. Web. 25 September 2026. <https://smartdefine.org/serious/thesaurus/antonyms>

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