no–no

play
noun \ˈnō-ˌnō\

Definition of no–no

plural

no–no's

or

no–nos

  1. 1 :  something unacceptable or forbidden

  2. 2 :  no-hitter

Circa 1942

First Known Use of no–no

circa 1942


NO–NO Defined for English Language Learners

no–no

play
noun \ˈnō-ˌnō\

Definition of no–no for English Language Learners

  • : something that people are not supposed to do because it is not proper, safe, fashionable, etc.


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