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 condem/ a man unheard. [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.