Synonyms|373Antonyms|209|Broader|3Narrower|0Related|1.9k
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cold sober
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comfortless
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crestfallen
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critical
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dangerous
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darkening
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deep
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dire
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disagreeable
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disappointed
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disconsolate
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discontented
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disgruntled
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disgusted
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dispirited
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distressing
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dormant
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dour
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down in the dumps(expression, idiom, cheerful, rich)
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down pat
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APASmart Define. (2016). lighthearted thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/lighthearted/thesaurus/antonyms
ChicagoSmart Define. 2016. "lighthearted thesaurus" https://smartdefine.org/lighthearted/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, lighthearted thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/lighthearted/thesaurus/antonyms>.
MLASmart Define. "lighthearted thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/lighthearted/thesaurus/antonyms>