unspeakable
Americanadjective
-
not speakable; that may not be spoken.
-
exceeding the power of speech; unutterable; inexpressible; indescribable.
- Synonyms:
- unimaginable, ineffable
-
inexpressibly bad or objectionable.
adjective
-
incapable of expression in words
unspeakable ecstasy
-
indescribably bad or evil
-
not to be uttered
unspeakable thoughts
Other Word Forms
- unspeakableness noun
- unspeakably adverb
Etymology
Origin of unspeakable
1350–1400; Middle English unspekeabill. See un- 1, speak ( def. ), -able ( def. )
Explanation
Something that's unspeakable can't be accurately put into words, like the unspeakable sadness of losing your beloved cat. You can use this adjective for things that can't be spoken or articulated, including the unspeakable joy of reuniting with your lost cat or certain unspeakable swear words that aren't allowed at school. But it's most often used to capture a feeling of horror that remains inexpressible even when people try to talk about it. The unspeakable evil of genocide is one example; when we can't comprehend why it happens, it's impossible to describe in words.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Perhaps, Ms. Gerson wondered, this unspeakable loss lay behind Leon’s silence about the details of his own survival.
From The Wall Street Journal • Apr. 7, 2026
Asked about the lawsuit, OpenAI told AFP: "What happened in Tumbler Ridge was an unspeakable tragedy."
From Barron's • Mar. 10, 2026
"As children, both Larisa and Alexander faced the unspeakable terror of the Holocaust," the health organisation wrote in its annual report.
From BBC • Dec. 15, 2025
Out in the benign but swollen landscape, so placid now but so full of potential unrest, unspeakable things have happened.
From Los Angeles Times • Sep. 22, 2025
I demand to know your intentions regarding this unspeakable affront to the dignity of His Majesty’s troops.
From "The Astonishing Life of Octavian Nothing, Traitor to the Nation, Volume II: The Kingdom on the Waves" by M.T. Anderson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
