The meaning of UNFAMILIAR is not familiar. How to use unfamiliar in a sentence.

UNFAMILIAR definition: 1. not known to you: 2. to not have any knowledge or experience of something: 3. not known to…. Learn more.

1. not familiar; not acquainted or conversant with: to be unfamiliar with modern art. 2. unaccustomed; different, unusual, or novel: an unfamiliar treat.

Definition of unfamiliar adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

WordReference Random House Unabridged Dictionary of American English © 2025 un•fa•mil•iar (un′fə mil′ yər), adj. not familiar; not acquainted with or conversant about: to be unfamiliar with a subject. …

Unfamiliar things are unknown or unexplored. On your first day at a new school, every single face you see is unfamiliar.

If something is unfamiliar to you, you know nothing or very little about it, because you have not seen or experienced it before.

UNFAMILIAR definition: not familiar; not acquainted with or conversant about. See examples of unfamiliar used in a sentence.

unfamiliar meaning, definition, what is unfamiliar: not known to you: Learn more.

UNFAMILIAR meaning: 1 : not frequently seen, heard, or experienced often + to; 2 : not having any knowledge of something