Not old (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">not old</span>' is the definition.<br/ ><span class="explanation-format__explanation">('new' is the opposite to 'old')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for new that I've seen before include "Unfamiliar, restored" , "Unconventional" , "Recently made, etc" , "Not existing before" , "Contemporary" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">not old</span>' is the definition.<br/ ><span class="explanation-format__explanation">('young' is the opposite to 'old')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for young that I've seen before include "Youthful" , "Juvenile" , "Mormon leader" , "Wilder scientist was described thus" , "issue" .)