Ordinary, basic (3-8)
I believe the answer is:
bog-standard
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">ordinary</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">basic</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for bog-standard that I've seen before include "Everyday" , "Basic -- ordinary (slang)" , "Utterly ordinary" , "Run-of-the-mill" .)