Synonyms: unfamiliar
Definition: not known or well known
Usage: a name unfamiliar to most; be alert at night especially in unfamiliar surroundings
Similar words: unknown, strange
Definition: not known before
Usage: used many strange words; saw many strange faces in the crowd; don't let anyone unknown into the house
Similar words: unacquainted, unacquainted with, unfamiliar with
Definition: having little or no knowledge of
Usage: unacquainted with city ways