unfamiliar

/ˌʌnfəˈmɪli.ə(ɹ)/

Proposed by a contributor, not yet supported by evidence.

Also seen as: unfamiliars

Sense 1

Meaning · English

Strange, not familiar.

Adjective

Examples

United were second-best for long periods as they struggled to adapt to an unfamiliar line-up and were ultimately fortunate to leave Merseyside with their unbeaten league run still intact.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Sense 2

Meaning · English

An unfamiliar person; a stranger.

Noun

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).

Common questions

What does “unfamiliar” mean?

Strange, not familiar.

Is “unfamiliar” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.