adj.
- Beyond description; inexpressible: unspeakable happiness.
- Inexpressibly bad or objectionable: unspeakable poverty.
- Not to be spoken: unspeakable thoughts.
unspeakably un·speak'a·bly adv.
SYNONYMS unspeakable, indefinable, indescribable, ineffable, inexpressible, unutterable. These adjectives mean defying expression or description: unspeakable misery; indefinable yearnings; indescribable beauty; ineffable ecstasy; inexpressible anguish; unutterable contempt.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.