Excessive, unwarranted (5)
I believe the answer is:
undue
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">excessive</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that excessive can be written as undue)</span><br/ ><br/ >'<span class="explanation-format__original">unwarranted</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that unwarranted can be written as undue)</span><br/ ><br/ ></span>
(Other definitions for undue that I've seen before include "Improper" , "Not warranted" , "Needless; excessive" , "Excessive - unwarranted" , "Excessive, disproportionate" .)