un·men·tion·able
ˌən-ˈmen(t)-sh(ə-)nə-bəl 
: not fit or allowed to be mentioned or discussed : unspeakable
an unmentionable topic
: one that is not to be mentioned or discussed: such as
a
b
Examples of unmentionable in a Sentence
Adjective
There are certain topics that are considered to be unmentionable.
Noun
he was standing there in the cold, clad only in his unmentionables
Recent Examples on the Web
Christopher Tayler, Harpers Magazine, 27 Jan. 2026
Talking makes the unmentionable mentionable.
—Richard Balkin, The Conversation, 26 Jan. 2026
Carin Ryan, Travel + Leisure, 1 Dec. 2025
The women’s bathing suits barely cover the unmentionables.
—Miami Herald Archives, Miami Herald, 4 Feb. 2025
See All Example Sentences for unmentionable
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Adjective
There are also a couple of hints that the fate of Europe’s Jews is part of the prevailing atmosphere of unmentionable moral contagion.
—Christopher Tayler, Harpers Magazine, 27 Jan. 2026
Talking makes the unmentionable mentionable.
—Richard Balkin, The Conversation, 26 Jan. 2026
Noun
And think, if a TSA agent is looking through your luggage, your unmentionables won’t be on full display.
—Carin Ryan, Travel + Leisure, 1 Dec. 2025
The women’s bathing suits barely cover the unmentionables.
—Miami Herald Archives, Miami Herald, 4 Feb. 2025
See All Example Sentences for unmentionable
Cite this Entry
“Unmentionable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unmentionable. Accessed 29 Jan. 2026.
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