1
general::
adj. not well-known to you VERBS be, feel, look, sound ADV. very | completely, quite, totally | not entirely | slightly PREP. to The language was completely unfamiliar to me. not having knowledge or experience of sth VERBS appear, be, seem ADV. very | completely, quite | relatively PREP. with We were quite unfamiliar with the town.
Oxford Collocations Dictionary