Synonyms|231Antonyms|67|Broader|2Narrower|0Related|250

17 entries under idiom topic. ×

3
tossing and turning(expression, adjective, unsettled, restless)
2
on the alert(expression, alert, careful, restless)
2
on the ball(expression, keen, alert, careful)
2
on the job(expression, keen, alert, careful)
2
on the lookout(expression, keen, alert, careful)
1
bundle of nerves(expression, adjective, anxious, unsettled)
1
ill at ease(expression, anxious, unsettled, restless)
1
on the qui vive(expression, keen, alert, careful)
1
on the watch
1
with eyes peeled(expression, keen, alert, careful)
1
with open eyes
1
with weather eye open(expression, keen, anxious, careful)
0
able to recognize(expression, awake, insomniac)
0
in right mind(expression, awake, insomniac)
0
on your guard(expression, alert, attentive, watchful)
0
perpetually agitated
0
without slumber
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APASmart Define. (2015). sleepless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sleepless/thesaurus/synonyms
ChicagoSmart Define. 2015. "sleepless thesaurus" https://smartdefine.org/sleepless/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sleepless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sleepless/thesaurus/synonyms>.
MLASmart Define. "sleepless thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/sleepless/thesaurus/synonyms>