undisclosable

38 Moby Thesaurus words for "undisclosable":
      arcane, cabalistic, censored, classified, close, closed, concealed,
      cryptic, dark, enigmatic, esoteric, hermetic, hidden, hush-hush,
      latent, mysterious, occult, restricted, secret, smothered, stifled,
      suppressed, top secret, ulterior, unbreatheable, under security,
      under wraps, undisclosed, undivulgable, undivulged, unrevealable,
      unrevealed, unspoken, untellable, untold, unutterable, unuttered,
      unwhisperable