unknown person

Definitions

An individual whose identity is not known or has not been established.

A person who is unfamiliar or unrecognized by a specific group or individual.

Examples

The police are still trying to identify the unknown person seen leaving the building.

It is unsettling to receive a mysterious gift from an unknown person.

Synonyms

stranger anonymous individual unidentified person mystery person outsider somebody person of no identity

Antonyms

acquaintance friend known person celebrity familiar face identified individual colleague