Meaning of the word wasteful in English

What does wasteful mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

wasteful

US /ˈweɪst.fəl/
UK /ˈweɪst.fəl/
"wasteful" picture

Adjective

using or expending something of value unnecessarily, carelessly, or to no purpose

Example:
Leaving the lights on all day is very wasteful.
The government was criticized for its wasteful spending.