Unknown person: meaning, definitions and examples

Often used in more formal or written contexts, particularly in official reports or documentation. It carries a neutral tone and is suitable for objective descriptions.

• The police are investigating the actions of an unknown person seen on the security footage.
• An unknown person left a package at the front door.

Used generally to describe someone you do not know, and often implies a sense of caution or unfamiliarity. It is commonly used in advice and warnings, particularly when discussing safety.

• Don't talk to strangers when you're alone.
• I saw a stranger loitering around our building.

Typically used to describe someone who isn't known within a certain context or environment, without necessarily implying any potential danger. It can be used in both formal and informal situations.

• I was approached by an unfamiliar person at the party.
• There was an unfamiliar person in the meeting room.

This term is neutral and can be used in general settings when the identity of the person is not known.

• An unknown person donated a large sum to the charity

Use this phrase when referring to someone whose identity or motives are unknown and are attracting curiosity or speculation.

• The mystery person left a series of cryptic messages for the team to solve

This term is appropriate when someone is not only unknown but also has a mysterious and intriguing quality.

• The enigmatic individual captivated the audience with his intriguing stories