Awkward, ungainly (5)
I believe the answer is:
gawky
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">awkward</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >'<span class="explanation-format__original">ungainly</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that clumsy can be written as gawky)</span><br/ ><br/ ></span>
(Another definition for gawky that I've seen is " Awkward and ungainly".)