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Synonyms

no-no

American  
[noh-noh] / ˈnoʊˌnoʊ /

noun

Informal.
no-nos, plural no-no's plural
  1. anything that is forbidden or not advisable, as because of being improper or unsafe.

    If you want to lose weight, rich desserts are a no-no.


Other Word Forms

Etymology

Origin of no-no

1940–45, reduplication of no 1

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.

My strong conviction, at least for Amazon, is that the answers are no, no, and yes,” Jassy writes in a shareholder letter for fiscal year 2025, published Thursday.

From Barron's • Apr. 9, 2026

He said Sheinbaum replied: “No, no, no, please president.”

From The Wall Street Journal • Mar. 7, 2026

"She was very repetitive, she said 'no, no, no, you cannot do that, we're a small, small country,'" Trump said.

From BBC • Jan. 21, 2026

Danson: Or here’s my favorite: “I had a thought ...” We know how good her idea is when I say, “Oh no, no, no, no...”

From Los Angeles Times • Dec. 4, 2025

“Oh, no, no, no, no, no,” Major Danby pleaded.

From "Catch-22" by Joseph Heller

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