Lily-livered (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lily-livered</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that lily-livered can be written as yellow)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for yellow that I've seen before include "like old paper" , "Shade of cowardice?" , "Snooker ball" , "show sign of age" , "All looks it to the jaundiced eye" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lily-livered</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for cowardly that I've seen before include "chicken" , "Yellow" , "Lacking courage" , "Lily-livered" , "Faint-hearted" .)