Active — deft (6)
I believe the answer is:
nimble
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">active</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >'<span class="explanation-format__original">deft</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for nimble that I've seen before include "Swift, active" , "Light and quick in movement" , "Quick on the feet" , "Quick moving" , "Agile - alert" .)