noun, plural no-nos, no-no's. Informal.
Origin of no-no
Related Words for no-norestricted, banned, illegal, barred, illicit, contraband, unwarranted, wrongful, unofficial, unconstitutional, unlawful, unjustified, illegitimate, pirated, unapproved, obscenity, embargo, restriction, proscription, exclusion
Examples from the Web for no-no
Contemporary Examples of no-no
Not all scientists agree that artificial sweeteners are a no-no when it comes to your health and diet.Are Artificial Sweeteners Wrecking Your Diet?
September 30, 2014
Converting at birth the children of non-Jewish mothers is now a no-no.In Italy, a Traditional Jewish Lifestyle is Disappearing
December 13, 2013
The point is, nobody knows what's next on the Hamas no-no list, which is almost always enforced before it is pronounced.Hamas: The Palestinian Fashion Police
April 9, 2013
Raising taxes is a no-no with Grover, so that leaves raising the eligibility age.How to Make Seniors Suspicious of Ryan and Romney
August 22, 2012
This is a no-no in the LDS church, to say the least, and as a result Scott spent a year or so “disfellowshipped” for his sins.Turning Spotlight on Mitt Romney Siblings Could Help Humanize GOP Nominee
May 30, 2012
Historical Examples of no-no
They're going to take No-no home, then we're all going to the movies.Ruggles of Red Gap
Harry Leon Wilson
"No-no; I thought of that myself, and Nemu too advised it," cried Ani.Uarda, Complete
No-no, that won't do; you mustn't talk, and you mustn't retch and gag that way, either—you'll wake up your poor brother.Those Extraordinary Twins
Mark Twain (Samuel Clemens)
1942, from reduplication of no.