In demand (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">in demand</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for desired that I've seen before include "Sought after" , "Lusted-after" , "much wished for" , "Craved" , "requested" .)
(Other definitions for popular that I've seen before include "The people's" , "having many fans" , "Liked or admired by many" , "Democratic - of general appeal" , "Demotic" .)