simple past tense and past participle of waste
"The storm wasted the crops, leaving nothing behind but mud."
In plain English: To waste something means to use it up without getting any good result from it.
"He wasted his entire lunch hour sitting in traffic."
serving no useful purpose; having no excuse for being
"otiose lines in a play"
"advice is wasted words"
"a pointless remark"
"a life essentially purposeless"
"senseless violence"
not used to good advantage
"squandered money cannot be replaced"
"a wasted effort"
(of an organ or body part) diminished in size or strength as a result of disease or injury or lack of use
"partial paralysis resulted in an atrophied left arm"
Not profitably used.
"The team wasted all their energy arguing about minor details instead of focusing on the main project."