Synonyms|422Antonyms|65|Broader|13Narrower|0Related|79
4
dullness(noun, languor)
4
serenity
3
flatness(noun, dullness, languor)
2
apathy(noun, dullness, languor)
2
unenthusiasm
1
depression(noun, dullness, languor)
1
languor(noun, dullness)
1
lifelessness(noun, dullness, languor)
0
sluggishness
0
bluntness
0
boredom
0
boringness
0
calmness
0
coldness
0
coolness
0
deadliness
0
deadness
0
debility
0
deflation
0
despondency
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APASmart Define. (2015). effervescence thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/effervescence/thesaurus/antonyms
ChicagoSmart Define. 2015. "effervescence thesaurus" https://smartdefine.org/effervescence/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, effervescence thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/effervescence/thesaurus/antonyms>.
MLASmart Define. "effervescence thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/effervescence/thesaurus/antonyms>