Wakeful

adj

Definitions

Adjective
  1. 1
    Awake; not sleeping.
  2. 2
    Sleepless.
  3. 3
    Vigilant and alert; watchful.

    "“Be wakeful, Beowulf, against our foe.”"

Adjective
  1. 1
    carefully observant or attentive; on the lookout for possible danger wordnet
  2. 2
    marked by full consciousness or alertness wordnet
  3. 3
    (of sleep) easily disturbed wordnet

Etymology

From wake + -ful.

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