not known or experienced; strange - (postpositive) followed by with:
not familiar
WordReference Random House Learner's Dictionary of American English © 2025
un•fa•mil•iar /ˌʌnfəˈmɪlyɚ/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2025- not acquainted with:to be unfamiliar with modern art.
- different;
unusual:an unfamiliar treat.
un•fa•mil•iar
(un′fə mil′yər),USA pronunciation adj.
un•fa•mil•i•ar•i•ty
(un′fə mil′ē ar′i tē),USA pronunciation n.
un′fa•mil′iar•ly, adv.
- not familiar; not acquainted with or conversant about:to be unfamiliar with a subject.
- different;
unaccustomed;
unusual;
strange:an unfamiliar treat.
- un-1 + familiar 1585–95
- 2.See corresponding entry in Unabridged . curious, novel, new.
Collins Concise English Dictionary © HarperCollins Publishers::
'unfamiliar' also found in these entries (note: many are not synonyms or translations):
alien
- almond
- beaten
- blood
- cube
- deskbound
- domesticate
- exploration
- explore
- foreign
- guide
- innumerate
- internal exile
- landlubber
- lingo
- new
- off-brand
- plunge
- rally
- sacrilegious
- strange
- stranger
- unaccustomed
- unco
- uncouth
- unknown
- xenoglossia