Definition of no-no in English:

no-no

Syllabification: no-no

noun (plural no-nos)

informal
  • A thing that is not possible or acceptable: perming highlighted hair used to be a definite no-no, but it’s now possible
    More example sentences
    • So an office at that end of the building is a definite no-no as the droning hum could drive me mad.
    • That sort of event was a definite no-no and he worked hard to prevent such things.
    • Wiggling out was a definite no-no since he had already made sure that I had nowhere else to turn to.

More definitions of no-no

Definition of no-no in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space