Synonyms|1kAntonyms|239|Broader|5Narrower|0Related|1.1k
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inexcitable(warm, sensitive)
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inexpressive
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insensible
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insuperable
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insusceptible
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intractable
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intransigent
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invulnerable
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laid back
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languid
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listless
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maintain
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matter of fact(expression, idiom, friendly, warm)
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merciless(adjective, indifferent, unfriendly)
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mocking
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mulish
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nodding
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nominate
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nonchalant(hard, concerned)
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nonemotional
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APASmart Define. (2016). responsive thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/responsive/thesaurus/antonyms
ChicagoSmart Define. 2016. "responsive thesaurus" https://smartdefine.org/responsive/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, responsive thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/responsive/thesaurus/antonyms>.
MLASmart Define. "responsive thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/responsive/thesaurus/antonyms>