personal identifier

noun

UK /ˈpɜː.sən.əl aɪˈden.tɪ.faɪ.ər/

US /ˈpɝː.sən.əl aɪˈden.tə.faɪ.ɚ/

Something like your name or a special number that tells people who you are.

Your student ID card is a personal identifier that shows you belong to the school.

SYNONYMS

ID identifier unique name label tag

RELATED WORDS

password username name number account

OTHER MEANINGS

2. A code or number used by a computer to tell one person apart from everyone else.

The website asked for a personal identifier before letting him log in.

3. A detail such as a fingerprint or photo that proves who someone is.

The police used a personal identifier like a fingerprint to confirm her identity.

4. A name, nickname, or symbol a person uses to be known online.

Her personal identifier on the game was 'StarPanda'.