Synonyms of undisclosed

2 Syllables
orphic, hidden, secret, perdu, whatsis, sealed
3 Syllables
concealed, unseeable, wraithlike, obscured, unclaimed, ulterior
4 Syllables
anonymous, confidential, unviewable, unrevealed, unhonored, unavowed, unannounced, unattested, uncredited, invisible, undivulged
5 Syllables
unperceivable