1.Definition: (of an organ or body part) diminished in size or strength as a result of disease or injury or lack of use

Related Adjective(s):atrophied, diminished

2.Definition: not used to good advantage

"A wasted effort"

Related Adjective(s):squandered

3.Definition: serving no useful purpose; having no excuse for being

"Advice is wasted words"

Related Adjective(s):otiose, pointless, purposeless, senseless, superfluous

4.Definition: very thin especially from disease or hunger or cold

"Kept life in his wasted frame only by grim concentration"

Related Adjective(s):cadaverous, emaciated, gaunt, haggard, pinched, skeletal