Synonyms|1.4kAntonyms|203|Broader|20Narrower|20Related|1.5k
11
disloyal(adjective, calm, dull)
8
dispassionate
6
cold(adjective, calm, good, dull, pleasant)
6
indifferent(adjective, calm, dull)
6
stoic
5
cool(adjective, calm, dull)
5
frigid(adjective, calm, dull)
5
unenthusiastic(adjective, calm, dull)
4
apathetic(adjective, calm, dull)
4
lacking interest
3
cold-blooded(adjective, calm, dull)
3
disinterested
3
insouciant
3
lukewarm(adjective, calm, dull)
2
dull(adjective, calm)
2
chill
2
chilly
2
emotionless
2
freezing
2
frosty
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APASmart Define. (2016). ardent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/ardent/thesaurus/antonyms
ChicagoSmart Define. 2016. "ardent thesaurus" https://smartdefine.org/ardent/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, ardent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/ardent/thesaurus/antonyms>.
MLASmart Define. "ardent thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/ardent/thesaurus/antonyms>