Irreverent (7)
I believe the answer is:
profane
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">irreverent</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for profane that I've seen before include "Desecrate" , "improper use" , "Treat with irreverence" , "Secular; obscene" , "Impious" .)