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>
not known or experienced before <becoming a father brought unknown joy to his life>
not widely known <looking for a relatively unknown singer to record the song> Near Antonyms fabled
Seen & Heard
What made you want to look up unknown? Please tell us where you read or heard it (including the quote, if possible).