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.
Multiples of the same person are a huge no-no, so 18 first tries to kill 17, but the Mickeys have to work together when the expedition’s banally evil leader, talk-show host/wannabe dictator Kenneth Marshall (Mark Ruffalo), wants to exterminate them along with the Creepers. Brian Truitt, USA TODAY, 6 Mar. 2025 Of course, there are movies being made with subjects that have some say in how the story is told or are getting paid for the access, which to me is a no-no, and gets to be a producer of their own story. Samantha Bergeson, IndieWire, 5 Mar. 2025 That’s a no-no for the town’s hearty homophobic faction, including the head of the PTA and Alyssa’s mother Mrs. Greene (Sara K. Dean). David John Chávez, The Mercury News, 5 Mar. 2025 That’s a big no-no, be prepared for a lot of rough looks [from people]. Nate Jackson, Los Angeles Times, 4 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 10 Mar. 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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