Unheard

a.
  1. Not heard; not perceived by the ear; as, words unheard by those present.
  2. Not granted an audience or a hearing; not allowed to speak; not having made a defense, or stated one's side of a question; disregarded; unheeded; as, to condem a man unheard.
  3. Not known to fame; not illustrious or celebrated; obscure.
  4. Unheard of
    1. Not heard of; of which there are no tidings.
    2. Unknown to fame; obscure.