Be covetous of (4)
I believe the answer is:
envy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">be covetous of</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for envy that I've seen before include "Jealous emotion - deadly sin" , "Resentment at another's success" , "Desire as a rival" , "Feeling of discontent" , "Wish for thing or quality belonging to another" .)