Englishunacquainted
adjective
I regret that I am unacquainted with the place:
unfamiliar with, unaccustomed to, unused to;
new to, fresh to, a stranger to;
inexperienced in, ignorant of, uninformed about, unschooled in, untutored in, unenlightened about, unconversant with;
informal in the dark about;
archaic strange to;
rare nescient of.
▷antonyms acquainted, familiar.
unacquainted Oxford Dictionary of English