Synonyms|202Antonyms|24|Broader|1Narrower|0Related|29
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farsighted
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grounded
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hard-hearted(adjective, calm, restrained, subdued, impassive)
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hardboiled(adjective, quiet, restrained, sober, subdued)
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healthy
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impassive(adjective, calm, restrained, subdued, unresponsive)
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impervious(adjective, calm, restrained, subdued, impassive)
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in your right mind(expression, idiom, logical)
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incisive
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indifferent(adjective, calm, restrained, subdued, impassive)
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insightful
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intelligible
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justifiable
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keen
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laid-back(adjective, calm, restrained, subdued, impassive)
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long-headed
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lukewarm(adjective, calm, restrained, subdued, impassive)
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luminous
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mature
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needle
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APASmart Define. (2015). clear-headed thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/clear-headed/thesaurus/synonyms
ChicagoSmart Define. 2015. "clear-headed thesaurus" https://smartdefine.org/clear-headed/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, clear-headed thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/clear-headed/thesaurus/synonyms>.
MLASmart Define. "clear-headed thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/clear-headed/thesaurus/synonyms>