Wasting
Part of speech: verb
Definition: To devastate, destroy
Part of speech: adjective
Definition: Referring to something that cause a waste, particularly a wasting disease which causes pronounced loss of body mass.
Example sentence: I believe that if you don't derive a deep sense of purpose from what you do, if you don't come radiantly alive several times a day, if you don't feel deeply grateful at the tremendous good fortune that has been bestowed on you, then you are wasting your life. And life is too short to waste.
Atrophy
Part of speech: verb
Definition: To wither or waste away.
Part of speech: noun
Definition: A reduction in the functionality of an organ caused by disease, injury or lack of use.
Example sentence: It would be a bitter cosmic joke if we destroy ourselves due to atrophy of the imagination.