Noah Webster's Dictionary 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 condemn a man unheard. 3. (a.) Not known to fame; not illustrious or celebrated; obscure.

Multi-Version Concordance Unheard (2 Occurrences) 1 Corinthians 5:1 It is actually reported that there is fornication among you, and of a kind unheard of even among the Gentiles--a man has his father's wife! (WEY) Ezekiel 7:5 Thus says the Lord Yahweh: An evil, an only evil; behold, it comes. (See NIV)