Synonyms|28Antonyms|1|Broader|0Narrower|0Related|23
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on the lookout(expression, careful, restless, disturbed, sleepless)
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restive
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tossing and turning(expression, idiom)
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uneasy
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unsleeping(adjective, wakeful)
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vigilant
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wary
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watchful
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APASmart Define. (2015). insomnious thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/insomnious/thesaurus/synonyms
ChicagoSmart Define. 2015. "insomnious thesaurus" https://smartdefine.org/insomnious/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, insomnious thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/insomnious/thesaurus/synonyms>.
MLASmart Define. "insomnious thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/insomnious/thesaurus/synonyms>