plural no-no's or no-nos
Synonyms of no-nonext
1
: something unacceptable or forbidden
2

Examples of no-no in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The most obvious comp is that Disney couldn’t buy Fox’s TV networks because doing so would’ve saddled Disney with two broadcast networks, ABC and Fox, and that’s a big regulatory no-no. Brian Welk, IndieWire, 18 June 2026 In this bland, milquetoast world, freedom to express oneself through music is a big no-no. David John Chávez, Mercury News, 18 June 2026 Cheap All-Weather Wicker Peterman points to cheap all-weather wicker patio furniture as a major no-no in her books. Cori Sears, The Spruce, 13 June 2026 Leaving a bathing suit in the trunk of a hot car or hanging it in direct sunlight is also a no-no because high temperatures and ultraviolet rays can fade and break down the fibers. Mary Marlowe Leverette, Southern Living, 12 June 2026 See All Example Sentences for no-no

Word History

First Known Use

circa 1942, in the meaning defined at sense 1

Time Traveler
The first known use of no-no was circa 1942

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Cite this Entry

“No-no.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/no-no. Accessed 21 Jun. 2026.

Kids Definition

no-no

noun
ˈnō-ˌnō
plural no-no's or no-nos
: something that is unacceptable or forbidden

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