0
gloomily(adverb, seriously)
0
grudgingly(adverb, seriously)
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resentfully
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sadly(adverb, seriously)
0
sedately
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severely
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significantly
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soberly
0
solemnly
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somberly
0
sorrowfully
0
staidly
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sulkily
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sullenly
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testily
0
thoughtfully
0
unhappily(adverb, seriously)
0
unluckily(adverb, seriously)
0
unsuccessfully(adverb, seriously)
0
unwillingly(adverb, seriously)
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APASmart Define. (2015). playfully thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/playfully/thesaurus/antonyms
ChicagoSmart Define. 2015. "playfully thesaurus" https://smartdefine.org/playfully/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, playfully thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/playfully/thesaurus/antonyms>.
MLASmart Define. "playfully thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/playfully/thesaurus/antonyms>