60 entries under adjective topic. ×

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easy-going(dull, lethargic)
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imperceptible
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indifferent
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ineffective
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insipid
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laid-back(dull, lethargic)
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lax
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lukewarm
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otiose
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placid
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remiss
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sedentary(lazy, motionless)
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slack
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soggy
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sticky
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supine
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tame
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tepid
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uneventful
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unmoved
<123>
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APASmart Define. (2016). energetic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/energetic/thesaurus/antonyms
ChicagoSmart Define. 2016. "energetic thesaurus" https://smartdefine.org/energetic/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, energetic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/energetic/thesaurus/antonyms>.
MLASmart Define. "energetic thesaurus" 1 April 2016. Web. 28 September 2026. <https://smartdefine.org/energetic/thesaurus/antonyms>