Source : Webster's Revised Unabridged Dictionary (1913)

Pallid \Pal"lid\, a. [L. pallidus, fr. pallere to be or look
   pale. See {pale}, a.]
   Deficient in color; pale; wan; as, a pallid countenance;
   pallid blue. --Spenser.

Source : WordNet®

pallid
     adj 1: abnormally deficient in color as suggesting physical or
            emotional distress; "the pallid face of the invalid";
            "her wan face suddenly flushed" [syn: {pale}, {wan}]
     2: (of light) lacking in intensity or brightness; dim or
        feeble; "the pale light of a half moon"; "a pale sun";
        "the late afternoon light coming through the el tracks
        fell in pale oblongs on the street"; "a pallid sky"; "the
        pale (or wan) stars"; "the wan light of dawn" [syn: {pale},
         {wan}]
     3: lacking in vitality or interest or effectiveness; "a pale
        rendition of the aria"; "pale prose with the faint
        sweetness of lavender"; "a pallid performance" [syn: {pale}]