also: ろうひぐせ
noun
wasteful habits; spending habit
Refers to a personal tendency to waste money or resources; often used in contexts of personal finance or lifestyle.
彼の浪費癖が直らないと、貯金は難しい。
If his wasteful habits don't improve, saving money will be difficult.
浪費癖を直すために、家計簿をつけ始
To fix my spending habit, I started keeping a household account book.
Compound of 浪費 (ろうひ, 'waste') and 癖 (へき, 'habit'). The reading へき for 癖 is the on'yomi, commonly used in compounds.