How do you spell Unheard

Available Definitions:
1)  a. - Not heard; not perceived by the ear; as, words unheard by those present.
2)  a. - 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)  a. - Not known to fame; not illustrious or celebrated; obscure.