plural no-no's or no-nos
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.
Unfortunately, that's a big no-no for Southerners across the board. Catherine Jessee, Southern Living, 29 Mar. 2025 And the grass was synthetic, which was also a no-no for a World Cup. Kevin Baxter, Los Angeles Times, 26 Mar. 2025 Ishiba’s office allegedly doled out 100,000 yen ($672) gift vouchers to a group of rookie LDP lawmakers — a real no-no in Tokyo politics. William Pesek, Forbes, 20 Mar. 2025 Another no-no is rounding your shoulders forward or hiking them up toward your ears. Christa Sgobba, SELF, 20 Mar. 2025 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 4 Apr. 2025.

Kids Definition

no-no

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

More from Merriam-Webster on no-no

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