adjective
carefully observant or attentive
Synonyms
Examples
- 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
adjective
(of sleep) easily disturbed
Synonyms
Examples
- in a light doze
- a light sleeper
- a restless wakeful night
adjective
marked by full consciousness or alertness
Synonyms
Examples
- worked every moment of my waking hours