Uneven, rough (5)
I believe the answer is:
bumpy
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">uneven</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">rough</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that rough can be written as bumpy)</span><br/ ><br/ ></span>
(Other definitions for bumpy that I've seen before include "Rough - turbulent" , "(Of flight) rough" , "affected by air pockets" , "Not even" , "My pub (anag.)" .)