Extremely enthusiastic (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">extremely enthusiastic</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for zealous that I've seen before include "'Enthusiastic, keen (7)'" , "Full of earnest enthusiasm" , "Impassioned" , "Very devoted to a cause" , "Dedicated" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">extremely enthusiastic</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 avid that I've seen before include "'Eager, enthusiastic (4)'" , "Keenly interested" , "Fervent" , "Showing active interest and enthusiasm" , "Greedily eager" .)