無駄

• Reading: むだ
• Romaji: muda
• Kanji breakdown: 無 (mu) — nothing, without; 駄 (da) — pack-horse, inferior
• Pronunciation: /mɯ.da/

Meaning

Futile; useless; wasteful. Describes something that yields no productive result.

A na-adjective and noun. Common patterns include 無駄な努力 (futile effort), 無駄にする (to waste), and 無駄遣い (wasteful spending). Central to Japanese efficiency culture and the manufacturing concept of ムダ (muda), one of the three types of waste in lean production.

Examples

1. 無駄な心配はしないほうがいいよ。 You're better off not worrying about things needlessly.
2. せっかくの努力を無駄にしたくない。 I don't want all that effort to go to waste.
3. お金の無駄遣いをやめなさい。 Stop wasting your money.

Usage Guide

Context: daily life, work, advice

Tone: critical

Origin & History

Compound of 無 (mu, without/nothing) and 駄 (da, pack-horse load/inferior). Originally referred to a worthless pack-horse load — cargo not worth carrying. Extended to mean anything pointless or wasteful.

Cultural Context

Era: Classical

Generation: All ages

Social background: Universal