'Sleepless' definitions:
Definition of 'sleepless'
From: WordNet
adjective
Experiencing or accompanied by sleeplessness; "insomniac old people"; "insomniac nights"; "lay sleepless all night"; "twenty watchful, weary, tedious nights"- Shakespeare [syn: insomniac, sleepless, watchful]
adjective
Always watchful; "to an eye like mine, a lidless watcher of the public weal"- Alfred Tennyson [syn: lidless, sleepless]
Definition of 'Sleepless'
From: GCIDE
- Sleepless \Sleep"less\, a.
- 1. Having no sleep; wakeful. [1913 Webster]
- 2. Having no rest; perpetually agitated. "Biscay's sleepless bay." --Byron. [1913 Webster] -- {Sleep"less*ly}, adv. -- {Sleep"less*ness}, n. [1913 Webster]
Synonyms of 'sleepless'
From: Moby Thesaurus
- agile,
- alert,
- alive,
- all ears,
- all eyes,
- ardent,
- Argus-eyed,
- assiduous,
- attentive,
- aux aguets,
- awake,
- bright,
- constant,
- continuing,
- custodial,
- diligent,
- disturbed,
- dogged,
- eagle-eyed,
- enduring,
- energetic,
- faithful,
- fervent,
- guarded,
- hard,
- hardworking,
- hawk-eyed,
- immutable,
- inalterable,
- indefatigable,
- indomitable,
- industrious,
- insistent,
- insomniac,
- insomnious,
- invincible,
- keen,
- keen-eyed,
- laborious,
- lasting,
- lidless,
- loyal,
- never idle,
- never-tiring,
- nimble,
- observant,
- obstinate,
- on guard,
- on the,
- on the alert,
- on the ball,
- on the job,
- on the lookout,
- on the watch,
- open-eyed,
- patient,
- patient as Job,
- permanent,
- perseverant,
- persevering,
- persistent,
- persisting,
- pertinacious,
- plodding,
- plugging,
- preoccupied,
- prompt,
- prudent,
- qui vive,
- quick,
- rapt,
- ready,
- relentless,
- resolute,
- restless,
- sedulous,
- sharp,
- sharp-eyed,
- single-minded,
- slogging,
- slumberless,
- smart,
- stable,
- steadfast,
- steady,
- strenuous,
- stubborn,
- tenacious,
- tireless,
- unabating,
- unblinking,
- unconquerable,
- undaunted,
- undiscouraged,
- undrooping,
- unfailing,
- unfaltering,
- unflagging,
- unflinching,
- unintermitting,
- uninterrupted,
- unnodding,
- unrelaxing,
- unrelenting,
- unremitting,
- unsleeping,
- unsparing,
- unswerving,
- untiring,
- unwavering,
- unwearied,
- unwearying,
- unwinking,
- utterly attentive,
- vehement,
- vigilant,
- wakeful,
- wary,
- watchful,
- weariless,
- wide-awake,
- with open eyes,
- zealous