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
Randall Colburn, EW.com, 10 Feb. 2025
The concept of a Chinese luxury brand—or even one that fluttered on the verge of high-end—was unmentionable.
—Gemma A. Williams, Forbes, 18 Dec. 2024
Miami Herald Archives, Miami Herald, 4 Feb. 2025
And just think, when if a TSA agent is looking through your luggage, your unmentionables won’t be on full display.
—Carin Ryan, Travel + Leisure, 2 Dec. 2024
See All Example Sentences for unmentionable
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Adjective
Director Adrian Grünberg's film is as gnarly as the 2008 outing, with decapitations, eviscerations, and other unmentionable acts of violence.
—Randall Colburn, EW.com, 10 Feb. 2025
The concept of a Chinese luxury brand—or even one that fluttered on the verge of high-end—was unmentionable.
—Gemma A. Williams, Forbes, 18 Dec. 2024
Noun
The women’s bathing suits barely cover the unmentionables.
—Miami Herald Archives, Miami Herald, 4 Feb. 2025
And just think, when if a TSA agent is looking through your luggage, your unmentionables won’t be on full display.
—Carin Ryan, Travel + Leisure, 2 Dec. 2024
See All Example Sentences for unmentionable
Cite this Entry
“Unmentionable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unmentionable. Accessed 10 Jul. 2025.
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