Dictionary / Vocabulary / 無駄
むだ · also ムダ
futility; waste; uselessness; pointlessness
JLPT N3 common word Also written 徒
これ以上考えても無駄だ。
It's useless to keep on thinking any more.
高校時代について最も後悔することを人々に尋ねると大抵の人は決まってこう言う。時間を無駄にしすぎていた、と。
When I ask people what they regret most about high school, they nearly all say the same thing: that they wasted so much time.
この日はただ時間とお金の無駄だった。
This day was just a waste of time and money.