Synonyms|231Antonyms|67|Broader|2Narrower|0Related|250
1
industrious
1
insistent
1
intermittent(anxious, unsettled, restless, uneasy, unruly)
1
invincible
1
irresolute(anxious, unsettled, restless, uneasy, unruly)
1
itchy(anxious, unsettled, restless, uneasy, unruly)
1
keen-eyed
1
laborious
1
lasting
1
looking for(expression, keen, anxious, alert, careful)
1
looking to(expression, keen, anxious, alert, careful)
1
loyal
1
mindful(adjective, awake, insomniac)
1
nervous(adjective, restless, insomniac)
1
never-tiring
1
never idle
1
nimble
1
nomadic(anxious, unsettled, restless, uneasy, unruly)
1
obstinate
1
on alert(expression, keen, anxious, alert, careful)
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APASmart Define. (2015). sleepless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sleepless/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleepless thesaurus" https://smartdefine.org/sleepless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, sleepless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sleepless/thesaurus/synonyms>.
MLASmart Define. "sleepless thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/sleepless/thesaurus/synonyms>