Ran away to marry (6)
I believe the answer is:
eloped
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ran away to marry</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for eloped that I've seen before include "Went off" , "Ran away to marry" , "Ran away to get married" .)