Source : Webster's Revised Unabridged Dictionary (1913)

Worn-out \Worn"-out`\, a.
   Consumed, or rendered useless, by wearing; as, worn-out
   garments.

Source : WordNet®

worn-out
     adj 1: worn until no longer useful; "battered trumpets and raddled
            radios"; "worn-out shoes with flapping soles" [syn: {raddled}]
     2: drained of energy or effectiveness; extremely tired;
        completely exhausted; "the day's shopping left her
        exhausted"; "he went to bed dog-tired"; "was fagged and
        sweaty"; "the trembling of his played out limbs"; "felt
        completely washed-out"; "only worn-out horses and cattle";
        "you look worn out" [syn: {exhausted}, {dog-tired}, {fagged},
         {fatigued}, {played out}, {spent}, {washed-out}, {worn-out(a)},
         {worn out(p)}]