Lesser (5)
I believe the answer is:
minor
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lesser</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for minor that I've seen before include "Little-known" , "Unimportant or unable to vote" , "Smaller - child" , "Of lesser importance" , "Under-age or of little importance" .)