Synonyms|469Antonyms|98|Broader|5Narrower|0Related|594
6
serious
6
smart
3
solemn
2
beautiful
2
gorgeous
1
capable
1
earnest
1
grave
1
humorless
1
intelligent
1
no-nonsense
1
normal
1
rational
1
reasonable
1
sedate
1
sensible
1
severe
1
sober
1
sobersided
1
staid
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APASmart Define. (2016). laughable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/laughable/thesaurus/antonyms
ChicagoSmart Define. 2016. "laughable thesaurus" https://smartdefine.org/laughable/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, laughable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/laughable/thesaurus/antonyms>.
MLASmart Define. "laughable thesaurus" 14 March 2016. Web. 22 September 2026. <https://smartdefine.org/laughable/thesaurus/antonyms>