Synonyms|231Antonyms|67|Broader|2Narrower|0Related|250
1
ready
1
relentless
1
resolute
1
roving(adjective, anxious, unsettled, restless, uneasy)
1
sedulous
1
sharp-eyed
1
single-minded
1
sleeplessly
1
slogging
1
smart
1
spasmodic(anxious, unsettled, restless, uneasy, unruly)
1
stable
1
steadfast
1
steady
1
strenuous
1
strung out(expression, adjective, anxious, unsettled, restless)
1
tenacious
1
tireless
1
transient(anxious, unsettled, restless, uneasy, unruly)
1
troubled(adjective, restless, insomniac)
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APASmart Define. (2015). sleepless thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sleepless/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleepless thesaurus" https://smartdefine.org/sleepless/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sleepless thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sleepless/thesaurus/synonyms>.
MLASmart Define. "sleepless thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/sleepless/thesaurus/synonyms>