Grog (6)
I believe the answer is:
liquor
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">grog</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for liquor that I've seen before include "Alcoholic drink in general" , "'Hard' drink" , "Strong alcoholic spirit" , "Strong alcoholic drink" , "Any alcholic drink" .)