55 entries under adjective topic. ×

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alive
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aroused
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careful
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circumspect
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clear-sighted(correct, sympathetic, witting, mindful)
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comprehending(correct, sympathetic, witting, mindful)
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deducing(correct, mindful, discriminating, intentive)
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discerning(smart, brilliant, awake, sleepless)
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gimlet-eyed
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hawk-eyed
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insomniac(restless, awake, sleepless)
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intentive(correct, sympathetic, witting, mindful)
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keen-eyed
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keen-sighted
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knowing(smart, brilliant, awake, sleepless)
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lynx-eyed
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not missing a trick(expression, idiom, correct, sympathetic)
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observative(correct, sympathetic, witting, mindful)
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on one's toes
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on the alert
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APASmart Define. (2015). wide awake thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/wide_awake/thesaurus/synonyms
ChicagoSmart Define. 2015. "wide awake thesaurus" https://smartdefine.org/wide_awake/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, wide awake thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/wide_awake/thesaurus/synonyms>.
MLASmart Define. "wide awake thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/wide_awake/thesaurus/synonyms>