Entry Word: unknown

Function: adjective

Meaning: 1 happening or existing without one's knowledge <unknown to me was the fact that while I was out, my family was hurriedly preparing a surprise birthday party>

Synonyms unbeknownst (also unbeknown)

Related Words unperceived, unrecognized, unsuspected; unaware, unconscious, unmindful; unknowing, unsuspecting, unwitting; ignorant, unacquainted, unfamiliar

2 not known or experienced before <becoming a father brought unknown joy to his life> — see new 2
3 not widely known <looking for a relatively unknown singer to record the song> — see obscure 2