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.
Cuddling encourages intimacy, which is a no-no with your FWB. Jennifer Adams, StyleCaster, 23 Apr. 2025 Last-minute patron ticket canceled at Augusta National At Augusta National Golf Club, mobile phones are a big no-no. Josh Hammer, MSNBC Newsweek, 21 Apr. 2025 That kept Fried’s no-no bid alive for the time being. Gary Phillips, New York Daily News, 20 Apr. 2025 Leave the seashells on Sardinia’s seashore On the Italian island of Sardinia, beachcombing is a no-no. The Washington Post, San Diego Union-Tribune, 6 Apr. 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 30 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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