wasteful

Definitions

Using or expending something of value in a careless, extravagant, or useless manner.

Causing or resulting in the loss of resources without achieving a productive purpose.

Examples

It is incredibly wasteful to leave the lights on when you are not in the room.

The company was criticized for its wasteful spending on unnecessary office renovations.

Synonyms

extravagant prodigal lavish improvident squandering uneconomical thriftless

Antonyms

frugal thrifty economical sparing parsimonious prudent conservative