Level 5 · word 9,329 of 20,000

wasteful

/ˈweɪstfəl/ American
  • adj. 浪费的, 不经济的
Definition
  • adj. using more of something than is necessary or sensible
Example
Leaving the lights on all night is a wasteful habit.
整夜开着灯是一种浪费的习惯。