wakeful

[ weyk-fuhl ]
/ ˈweɪk fəl /

adjective

unable to sleep; not sleeping; indisposed to sleep: Excitement made the children wakeful.
characterized by absence of sleep: a wakeful night.
watchful; alert; vigilant: a wakeful foe.

Origin of wakeful

First recorded in 1540–50; wake1 + -ful

OTHER WORDS FROM wakeful

Example sentences from the Web for wakeful

British Dictionary definitions for wakeful

wakeful
/ (ˈweɪkfʊl) /

adjective

unable or unwilling to sleep
sleepless
alert

Derived forms of wakeful

wakefully, adverb wakefulness, noun