Synonyms|100Antonyms|38|Broader|3Narrower|0Related|89

14 entries under noun topic. ×

6
sleepless person(expression, idiom)
3
vigil
2
insomnia
1
restlessness
1
sleeplessness
1
wakefulness
0
indisposition
0
martyr
0
patient
0
prey
0
restiveness
0
sufferer
0
tension
0
vigilance
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ChicagoSmart Define. 2015. "insomniac thesaurus" https://smartdefine.org/insomniac/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, insomniac thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/insomniac/thesaurus/synonyms>.
MLASmart Define. "insomniac thesaurus" 14 April 2015. Web. 1 October 2026. <https://smartdefine.org/insomniac/thesaurus/synonyms>