Как по Английски будет бракованный

verb

Use or expend carelessly, extravagantly, or to no purpose.

Примеры использования:

We can't afford to waste electricity

adjective

(of a material, substance, or by-product) eliminated or discarded as no longer useful or required after the completion of a process.

Примеры использования:

Ensure that waste materials are disposed of responsibly

noun

An act or instance of using or expending something carelessly, extravagantly, or to no purpose.

Примеры использования:

It's a waste of time trying to argue with him

idiom

Not very useful or effective

Примеры использования:

It's no good trying to change his beliefs., i'm not much good at explaining math problems.