C1verbformal2K

Betray

UK //bɪˈtreɪ//US //bɪˈtreɪ//

Definition

To be disloyal to someone or something, especially by violating trust.

In simple words: to be disloyal or break trust

Examples

  • She felt that her best friend would never betray her trust.
  • The soldier was accused of choosing to betray his country during the war.
  • To betray one's principles can lead to personal conflicts.
  • He couldn't believe she would betray him after all they had been through.
  • Some believe that to betray a friend is the worst offense.

Usage notes

Generally used in formal contexts, it refers to a breach of trust. Avoid in casual conversations.

Grammar pattern

betray + object

Memory hint

Think of a 'traitor' betraying their country.

Collocations

  • betray someone's trust
  • betray a confidence
  • betray an ally
  • betray one's country
  • betray one's beliefs

Synonyms

  • deceive
  • betrayal
  • backstab
  • mislead
  • double-cross

Antonyms

  • loyalty
  • faithfulness

Common mistakes

  • Confusing with 'betrayal' which is a noun.
  • Using it without a clear object; it needs something/someone to betray.
  • Mixing up emotional contexts; 'betray' often carries heavy emotional significance.