no-no

noun

Something that is forbidden, prohibited, discouraged or taboo.

“He threw two no-nos in his career.”

Opposite

Meanings

nounno-no (plural no-nos or no-noes)

plural no-nos · plural no-noes · alternative no no

  1. childishcolloquialoftenSomething that is forbidden, prohibited, discouraged or taboo.

    Smoking indoors is becoming a real no-no these days, in many places.

    3 more examples

    Mr. UDALL. Madam Chairman, the gentleman from New York (Mr. Bingham), is wrong in his supposition that the use of a picture is to be prohibited on a newsletter. Let me make some legislative history. The masthead or the heading of a newsletter with a picture of the Member is intended to be approved. As a matter of fact, in this language we turned it around. These no-noes are taken out of the old Post Office Manual, where they had over the years compiled a list of things one could or could not do, and pictures, except to illustrate text, used to be under the prohibitions.

    1973, Franking Privilege for Members of Congress: Public Law 93-191 (Effective December 18, 1973): A Compilation of Legislative History, Washington, D.C.: U.S. Government Printing Office, page 63

    And a person of integrity observes all the good sportsmanship rules toward a beaten opponent. Integrity recognizes the integrity of other persons. To do otherwise would be to commit a no-no. And you don’t want to go around committing no-noes, do you?

    1975, William Nesmith, Congratulations, Graduate!, Thomas Nelson, Inc., →ISBN, page 62

    Countless issues arise in family life every day, from the litany of no-noes showered on the toddler, to calling the preschooler in for his lunch.

    1975, James H. Ryan, Pablum, Parents & Pandemonium: Glimpses of a Pediatrician’s World, New York, N.Y.: Thomas Y. Crowell Company, →ISBN, page 254
  2. colloquialball gamesA no-hitter; a game in which no batter on one of the teams got a hit.

    He threw two no-nos in his career.

Synonyms & antonyms

antonym(s) of “something forbidden, ...”

Opposite

Translations

Polish wielka gafa
  • wielka gafaTranslations
Russian бяка
  • бяка (bjaka)Translations
Spanish inaceptabilidad
  • inaceptabilidadTranslations

Rhymes & wordplay

Rhymes with no-no

All rhymes →
Cite this entry
APA

no-no. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/no-no

MLA

“no-no.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/no-no. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “no-no,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/no-no.

Source: no-no on Wiktionary, CC BY-SA 4.0.