• WordNet 3.6
    • adj unheard not necessarily inaudible but not heard
    • ***
Webster's Revised Unabridged Dictionary
    • Unheard 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. "What pangs I feel, unpitied and unheard !"
    • Unheard Not heard; not perceived by the ear; as, words unheard by those present.
    • Unheard Not known to fame; not illustrious or celebrated; obscure. "Nor was his name unheard or unadored."
    • ***
Century Dictionary and Cyclopedia
    • unheard Not heard; not perceived by the ear.
    • unheard Not admitted to audience or given a hearing; not permitted to speak for one's self.
    • unheard Not known to fame; not celebrated.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Unheard un-herd′ not heard: not granted a hearing: not known, obscure (often with of).
    • ***


  • John Keats
    “Heard melodies are sweet, but those unheard are sweeter.”
  • King Jr. Martin Luther
    “A riot is the language of the unheard.”
  • King Jr. Martin Luther
    “Riots are the voices of the unheard.”


In literature:

I won't condemn her unheard.
"Hilda Wade" by Grant Allen
Red's indignation was all the harder to bear because it must bloom unheard.
"Bar-20 Days" by Clarence E. Mulford
In the din of battle their shout had been unheard.
"A Knight of the White Cross" by G.A. Henty
Carriage was yet in its most primitive stage, the road builder and bridge builder unheard of.
"Revolution and Other Essays" by Jack London
Unheard-of trouble was required to get a stove, wood, linen, and who knows what else.
"Frederick Chopin as a Man and Musician" by Frederick Niecks
It is a most unheard-of thing, unwarranted, ridiculous.
"The Tempting of Tavernake" by E. Phillips Oppenheim
Encouraged by his late success, he went on tip-toe into Master William's chamber, placed a letter upon his pillow, and withdrew unheard.
"The Old English Baron" by Clara Reeve
Now if that be a law of heredity, it is a law which is as yet unheard of outside the sphere of the woman suffrage societies.
"The Unexpurgated Case Against Women Suffrage" by Almroth E. Wright
But they set up an unheard-of hubbub, and made sure I should lose myself.
"The Chaplet of Pearls" by Charlotte M. Yonge
The Chief Lictor had distributed these torches with an unheard-of liberality.
"The Crisis, Complete" by Winston Churchill

In poetry:

Dim or unheard, the words may fall,
And yet the heaven-taught mind
May learn the sacred air, and all
The harmony unwind.
"Cathchism" by John Keble
As for some dear familiar strain
Untired we ask, and ask again,
Ever, in its melodious store,
Finding a spell unheard before;
"Morning" by John Keble
But sweeter far the lark that soars
Through morning's blushing ray;
For then unseen, unheard, I join
His lonely heavenward lay.
"Paraphrase: Psalm CIII, 3, 4." by James Grahame
For only thus our own we find;
The gone before, the left behind,
All mortal voices die between;
The unheard reaches the unseen.
"The Singer" by John Greenleaf Whittier
Not silent! no, the radiant stars
Still singing as they shine,
Unheard through earth's imprisoning bars,
Have voices sweet as thine.
"After A Lecture On Moore" by Oliver Wendell Holmes
Yea, joy is near him, tho' he does not know;
Her unregarded shape is at his side,
Her unheard voice is whispering clear and low,
Whom, resting never, seeks he far and wide.
"The Old Poet" by Amy Levy

In news:

Workplace experts said it's practically unheard of for a company to take this approach when deciding who to terminate – for good reason.
Today, it is almost unheard of for a company not to have a website.
However, security personnel getting into a fight with players as is being alleged was virtually unheard of.
She also explains why the Cash Money deal was unheard of at the time when they signed with Universal.
Don't let your voice be unheard.
"It was unheard of then," she said.
She said, however, that asking passengers to sit in aisles "would be unheard of" for the bus line.
Affecting nearly 4 million Americans, Sjogren's syndrome is a relatively unheard of disease that is difficult to diagnose.
That used to be unheard of, but on Wednesday night there was a big Seton Hall basketball game at the Prudential Center.
Unheard of becomes real as Obama visits Burma.
O's good deeds are going unheard .
Actress Debra Wilson recently hosted the Spirit Awakening Foundation's "Voices of the Unheard " fundraiser at the Rogue Machine Theater and featured readings by detained and at-risk youth from the juvenile justice system.
Deadly, Unheard of Eating Disorder.
Childish Gambino drops a unheard freestyle over Biggie's Ten Crack Commandments beat.
Bob Dylan, Jack White and Norah Jones Record Unheard Hank Williams Songs.

In science:

The CO line intensities given in Table 1 for the bridge positions are unheard of for tidal material.
Colliding molecular clouds in head-on galaxy collisions
Ratios in excess of 1040 are not unheard of.
Gravitational Wave Astronomy: Needle in a Haystack
It is neither unheard of nor unreasonable for industry heavyweights, including Google and Microsoft, to suffer the occasional service outage.
KeyAuth: Bringing Public-key Authentication to the Masses
Note that ten years ago substitutional adsorption of single adatoms was unheard of, but now, it is a well known and common phenomenon (see Section 5.6).
Theory of Adsorption on Metal Substrates
New experimental capabilities at laboratories such as JLab, Mainz and MIT-Bates are extending our knowledge of nucleon form factors free and bound (as well as transition form factors) into new kinematic domains and with unheard of precision.
Boundary of Nuclear Physics and QCD