Of the countryside (5)
(Other definitions for rustic that I've seen before include "Characteristic of rural life" , "Like country life" , "Countryfied" , "Characteristic of country life" , "Of the countryside and country folk" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">of the countryside</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for rural that I've seen before include "Bucolic; pastoral" , "Sort of dean" , "Relating to country life" , "Connected with farming" , "Of the country - pastoral" .)