Synonyms|231Antonyms|67|Broader|2Narrower|0Related|250
1
edgy(adjective, restless, insomniac)
1
enduring
1
energetic
1
enthusiastic
1
faithful
1
fervent
1
fidgeting(adjective, anxious, unsettled, restless, uneasy)
1
fitful(anxious, unsettled, restless, uneasy, unruly)
1
footloose(anxious, unsettled, restless, uneasy, unruly)
1
fretful(adjective, anxious, unsettled, restless, uneasy)
1
hard
1
hardworking
1
hawk-eyed
1
hurried(anxious, unsettled, restless, uneasy, unruly)
1
ill at ease(expression, idiom, anxious, unsettled, restless)
1
immutable
1
inalterable
1
inconstant(anxious, unsettled, restless, uneasy, unruly)
1
indefatigable
1
indomitable
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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>