What does 無駄遣い mean?
無駄遣い is a Japanese adjective meaning “waste money on, squander money on” in English. It is written as 無駄遣い in kanji, むだづかい in hiragana, and mudazukai in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
無駄遣いはやめなさい。
Stop wasting money.