Etiquette Blunder, Embarassing Social Mistake

This page is the CodyCross answer for the clue below from Under the sea, Group 33, Puzzle 3.

Question is: Etiquette Blunder, Embarassing Social Mistake

and the answer is: FAUXPAS

Word Meaning:

FAUX PAS — An embarrassing or tactless blunder.

Definitions from Wiktionary.