known Antonyms

unknown indeterminate undisclosed private concealed obscure unfamiliar unidentified unnamed undiscovered uncertain secret unrevealed anonymous underground secret ballot ulterior belowground little-known vatic tester suspect nonpublic paranormal back room magic number unacknowledged unheard unbeknown unheard-of umbilical vague withdrawn undetermined unbaptized x surrey unverified unbeknownst uncharted unclaimed undiagnosed unexplored unmapped unpublicized unpublishable unpublished untellable misinterpreted as close as the grave