Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

wakeful

adjective
 
 
/ˈweɪk.fəl/ formal

Definition

not able to sleep, or used to describe a period of time when you are not able to sleep: We spent a wakeful night worrying about where he was. She lay there wakeful the whole night.Not sleeping and not unconscious wakefulness
 
 
/-nəs/ noun [U]
Not sleeping and not unconscious
(Definition of wakeful adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Word of the Day

honest-to-goodness

real or true

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More