unheard

• POS: Adjective
• HYPHEN: un=heard

CIDE DICTIONARY

unheard, a. 

•  Not heard; not perceived by the ear; as, words unheard by those present.  [1913 Webster]
•  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 condemunheard.  [1913 Webster]

  "What pangs I feel, unpitied and unheard!"  [1913 Webster]
•  Not known to fame; not illustrious or celebrated; obscure.  [1913 Webster]

  "Nor was his name unheard or unadored."  [1913 Webster]

Unheard of. (a) Not heard of; of which there are no tidings. (b) Unknown to fame; obscure. Glanvill.

OXFORD DICTIONARY

unheard, adj.
1 not heard.
2 (usu. unheard-of) unprecedented, unknown.