Committed a faux pas (5)
I believe the answer is:
erred
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">committed a faux pas</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for erred that I've seen before include "Sinned" , "Made mistakes" , "Made a mistake, was wrong" , "Committed a sin" , "Was mistaken" .)