[ noh-noh ]
/ ˈnoʊˌnoʊ /

noun, plural no-nos, no-no's. Informal.

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.

Nearby words

  1. no-lose,
  2. no-man's-land,
  3. no-mark,
  4. no-mates,
  5. no-name,
  6. no-nonsense,
  7. no-one,
  8. no-par,
  9. no-parking,
  10. no-place

Origin of no-no

1940–45, Americanism; reduplication of no1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for no-no

Word Origin and History for no-no



1942, from reduplication of no.

Online Etymology Dictionary, © 2010 Douglas Harper