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Definitions

no-no

[noh-noh] / ˈnoʊˌnoʊ /




















Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Putting EU money behind nuclear projects was long a no-no, with the 27-nation bloc focusing on renewables in the race to cut planet warming emissions.

From Barron's • Mar. 10, 2026

“Natural light is the best. I can’t do a dark house. The no-no of no-nos is bad floor plan and flow, and not enough natural light.”

From MarketWatch • Nov. 24, 2025

Telling shoppers their goods are only worth a fraction of what they originally paid for them is also a no-no for brands.

From The Wall Street Journal • Oct. 19, 2025

And the grass was synthetic, which was also a no-no for a World Cup.

From Los Angeles Times • Mar. 26, 2025

He’s too polite to mention that they’re outside in their pajamas, usually a big no-no.

From "Merci Suárez Changes Gears" by Meg Medina