Simple Definition of unmentionable

from our Learner's Dictionary

unmentionable

adjective

ˌʌnˈmɛnʃənəbl How to pronounce unmentionable (audio)
: too offensive, shocking, or embarrassing to talk about or mention
There are certain topics that are considered to be unmentionable.
unmentionable words

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“Unmentionable.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/unmentionable. Accessed 15 Apr. 2026.

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