The Oxford Thesaurus An A-Z Dictionary of Synonyms - unfamiliaradj.

1) new, novel, unknown, unconventional, unusual, different, uncommon, strange, odd, peculiar, bizarre: The man spoke in a tongue that was totally unfamiliar to me. 2) Usually, unfamiliar with. unacquainted with, unaccustomed to, inexperienced in or with, unused to, unconversant with, uninformed about, ignorant of, unpractised or unskilled in, unskilled at, uninitiated in, unversed in: The Americans were as unfamiliar with cricket as the Englishmen were with baseball.