wakeful meaning and definition

WAKEFUL adjective

Definition of wakeful (adjective)

1. carefully observant or attentive; on the lookout for possible danger
   • "a policy of open-eyed awareness"; "the vigilant eye of the town watch"; "there was a watchful dignity in the room"; "a watchful parent with a toddler in tow"
   • synonyms: argus-eyed, open-eyed, vigilant
2. (of sleep) easily disturbed
   • "in a light doze"; "a light sleeper"; "a restless wakeful night"
   • synonyms: light
3. marked by full consciousness or alertness
   • "worked every moment of my waking hours"
   • synonyms: waking