What does 浪費 mean?
浪費 is a Japanese noun meaning “waste, extravagance” in English. It is written as 浪費 in kanji, ろうひ in hiragana, and rouhi in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
それは確かに時間の浪費です。
It's certainly a waste of time.