Down in the dumps (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">down in the dumps</span>' is the definition.<br/ ><span class="explanation-format__explanation">(both can mean sad)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for blue that I've seen before include "Colour - near the knuckle!" , "Terrible commotion?" , "ball at snooker" , "University sportsman - a shade - depressed" , "Tory?" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">down in the dumps</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for glum that I've seen before include "Dejected, morose" , "Melancholy" , "Moody and melancholic" , "Sad and gloomy" , "Po-faced" .)