betray Meaning in the Cambridge English Dictionary Cambridge dictionaries logo

Meaning of “betray” in the English Dictionary

"betray" in British English

See all translations

betrayverb [T]

uk   us   /bɪˈtreɪ/
  • betray verb [T] (NOT LOYAL)

B2 to not be ​loyal to ​yourcountry or a ​person, often by doing something ​harmful such as ​helpingtheirenemies: He was ​accused of betraying his ​country during the ​war. She ​felt betrayed by her mother's ​lack of ​support. For ​years they betrayed the UK's ​secrets to Russia.formal He ​promised never to betray his ​wife (= never to ​leave her for another ​person). formal If someone betrays something such as a ​promise, they do not do what they ​promised: The ​president has been ​accused of betraying his ​electionpromises. By ​staying out so late, they have betrayed my ​trust (= ​disappointed me because I had ​trusted them not to).

expend iconexpend iconMore examples

(Definition of betray from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"betray" in American English

See all translations

betrayverb [T]

 us   /bɪˈtreɪ/
  • betray verb [T] (BE NOT LOYAL)

to be not ​loyal to ​yourcountry or to someone who ​believes you are ​loyal, often by doing something ​harmful: Some ​lawmakers say they ​feel betrayed by the ​president.
  • betray verb [T] (SHOW)

to show ​yourfeelings or ​thoughts without ​intending to: She could not ​help betraying her ​sympathy for us.
(Definition of betray from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of betray?
Add Cambridge dictionaries to your browser to your website

“betray” in British English

“betray” in American English

Word of the Day

new wave

people who are doing activities in a new and different way

Word of the Day

Chest pains and palpitations: talking about illness (2)
Chest pains and palpitations: talking about illness (2)
by Liz Walter,
February 03, 2016
My previous post (My leg hurts: Talking about illness (1)) presented some general vocabulary to use at the doctor’s. This one looks at some more specific areas of illness and explains some useful words and phrases that you may need to use or understand on a visit to the doctor’s. There are several

Read More 

awesomesauce noun
awesomesauce noun
February 01, 2016
slang the state of being extremely good or enjoyable or something or someone that is extremely good or enjoyable Recovering from the awesomesauce of another fab #Vidcon!!

Read More