faux pas : A false step; a mistake or wrong measure.

Example:


Taxonomy
faux pas, free encyclopedia, English, bourde, free dictionary, fo, search, web comic, violation, good manners, false step, expression, contexts, italicized, physical loss, loss of balance, figuratively, synonyms.

Defination from the web:
Faux pas vary widely from culture to culture, and what is considered good manners in one culture can be considered a faux pas in another. ... Faux Pas by Maurice Blanchot (translated by Charlotte Mandell), Stanford University Press, 2001, ISBN 0804729352, pg. xi (translators note) ...