What is the synonym of squandered?

Here are some synonyms for "squandered", depending on the context:

General:

* Wasted

* Thrown away

* Dissipated

* Misused

* Lost

* Frittered away

* Blew (slang)

* Burned through (slang)

* Used up

* Depleted

* Extravagantly spent

More specific:

* If referring to money: Misspent, profligate, dissipated, lavishly spent, recklessly spent

* If referring to time: Wasted, frittered away, lost, idle, unproductively spent

The best synonym will depend on the specific meaning you want to convey.