Synonyms|164Antonyms|16|Broader|4Narrower|0Related|52
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intentive(adjective, correct, sympathetic, witting, mindful)
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jaunty
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keen-eyed
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keen-sighted
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kept posted(expression, sympathetic, witting, all-embracing)
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knowing(adjective, smart, brilliant, awake, sleepless)
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known(awake, sleepless, insomniac)
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leeriness
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lively
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lookout
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lusty
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lynx-eyed
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nimble
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nippy
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not missing a trick(expression, adjective, idiom, correct, sympathetic)
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noticing(awake, sleepless, insomniac)
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noting(awake, sleepless, insomniac)
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observative(adjective, correct, sympathetic, witting, mindful)
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observing(awake, sleepless, insomniac)
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on one's toes
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APASmart Define. (2015). wide awake thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/wide_awake/thesaurus/synonyms
ChicagoSmart Define. 2015. "wide awake thesaurus" https://smartdefine.org/wide_awake/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, wide awake thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/wide_awake/thesaurus/synonyms>.
MLASmart Define. "wide awake thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/wide_awake/thesaurus/synonyms>