B2 who a person is, or the qualities of a person or group that make them different from others:
The informant was given a new identity (= a different name and new official documents) for protection.
More examples
- He was quite certain about his attacker's identity.
- He assumed a false identity in order to escape from the police.
- To conceal his identity, the man's words are being read by an actor.
- Through a process of deduction , the detectives discovered the identity of the killer.
- Australia has its own cultural identity, which is very different from that of Britain.
Thesaurus: synonyms and related words