Run aground (6)
I believe the answer is:
strand
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">run aground</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for strand that I've seen before include "Abandon on the seashore" , "Run aground, beach" , "Drive (ship) aground" , "Ringlet or stretch of beach" , "sometimes washed by the sea" .)