What is the synonym of waste?

There are many synonyms for "waste," depending on the context. Here are a few options:

General:

* Rubbish

* Trash

* Garbage

* Junk

* Refuse

* Scrap

* Debris

More specific:

* Discarded (when referring to something thrown away)

* Unnecessary (when referring to something not needed)

* Inefficient (when referring to a process or system that doesn't use resources effectively)

* Squandered (when referring to something used carelessly)

* Misspent (when referring to time or money used poorly)

Figurative:

* Lost

* Wasted

* Futile

* Pointless

The best synonym for "waste" will depend on the specific situation.