無駄遣い

• Reading: むだづかい
• Romaji: mudazukai
• Kanji breakdown: 無 (mu/bu) — without; 駄 (da) — useless, worthless; 遣 (ken/tsuka) — to use, spend
• Pronunciation: /mɯ.da.dzɯ.ka.i/

Meaning

Waste; squandering; extravagant or pointless spending. Refers to using resources, money, or time without purpose or proportionate benefit.

A noun formed from 無駄 (muda, 'useless, wasteful') and 遣い (zukai/tsukai, 'using, spending'). Most commonly applied to money (お金の無駄遣い), but also describes wasteful use of time, talent, or materials. Frequently used in cautionary or critical contexts expressing that something was used without justification or result.

Examples

1. 衝動買いはお金の無駄遣いになりやすい。 Impulse buying tends to be a waste of money.
2. 優秀な人材を単純作業に配置するのは完全な無駄遣いだ。 Assigning talented people to menial tasks is a complete waste.
3. 無駄遣いをやめて、本当に必要なものにだけお金を使うようにした。 I stopped wasting money and started spending only on things I truly needed.

Usage Guide

Context: everyday conversation, personal finance, criticism

Tone: critical

Origin & History

From 無駄 (muda, from 無 'without' and 駄 'useless, worthless') and 遣い (zukai), the nominalised form of 遣う (tsukau, 'to use, spend').

Cultural Context

Era: Modern

Generation: All ages

Social background: Universal