Restlessly eager (9)
I believe the answer is:
impatient
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">restlessly eager</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 impatient that I've seen before include "not able to wait" , "Keen" , "Fidgety" , "Pit at mine (anag.)" , "Snappy" .)