Dictionary.com

no-no

[ noh-noh ]
/ ˈnoʊˌnoʊ /
Save This Word!
See synonyms for: no-no / no-nos on Thesaurus.com

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.
QUIZ
QUIZ YOURSELF ON AFFECT VS. EFFECT!
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of no-no

1940–45, Americanism; reduplication of no1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use no-no in a sentence

British Dictionary definitions for no-no

Nono
/ (Italian ˈnɔːno) /

noun
Luigi (luˈiːdʒi). 1924–90, Italian composer of 12-tone music
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK