Dictionary and Thesaurus

Definition of Wakefulness

• (noun) a periodic state during which you are conscious and aware of the world; "consciousness during wakefulness in a sane person is pretty well ordered and familiar"
• (noun) the process of paying close and continuous attention; "wakefulness, watchfulness, and bellicosity make a good hunter"; "vigilance is especially susceptible to fatigue"
• (noun) a temporary state in which you are unable (or unwilling) to sleep; "accept your wakefulness and sleep in its own contrary way is more likely to come"

Synonyms of Wakefulness

• Sleeplessness
• Watchfulness
• Vigilance
• Alertness

Antonyms of Wakefulness

• Sleepiness

Homophones of Wakefulness