What is an antonym for waste?

The best antonym for "waste" depends on the context. Here are some options:

If "waste" refers to something useless or discarded:

* Value

* Treasure

* Utilize

* Preserve

* Conserve

* Efficiency

* Productivity

If "waste" refers to an act of squandering or misusing resources:

* Save

* Conserve

* Utilize

* Optimize

* Efficiency

* Thrift

* Frugal

If "waste" refers to unwanted material:

* Resource

* Material

* Asset

* Commodity

Other possible antonyms:

* Success (if "waste" implies failure)

* Gain (if "waste" implies loss)

* Benefit (if "waste" implies harm)

To choose the best antonym, consider the specific meaning of "waste" in the context of your sentence or phrase.