理不尽

• Reading: りふじん
• Romaji: rifujin
• Kanji breakdown: 理 (ri) — principle, reason | 不 (fu) — negation | 尽 (jin) — exhaust, penetrate thoroughly
• Pronunciation: /ɾi.ɸɯ.dʑiɴ/

Meaning

Unreasonable; irrational; absurd; unjust. Describes situations or demands that violate logic, fairness, or basic decency.

A na-adjective now extremely common in contemporary Japanese. 理不尽 originally meant 'not penetrating to the principle' — failing to apply reasoned argument — but now expresses the frustration of being subjected to arbitrary, unjust, or irrational treatment. It is a go-to word for expressing grievances in workplace culture, social media commentary, and any context involving institutional or interpersonal injustice.

Examples

1. 上司の理不尽な指示に従い続けることで、社員のモチベーションが下がっていった。 By continuing to follow their boss's unreasonable orders, the employees' motivation steadily declined.
2. 試合の判定が理不尽に感じられても、選手はルールに従うほかない。 Even if a call in the game feels unjust, players have no choice but to follow the rules.
3. 理不尽な批判を受けた後も、彼女は冷静を保ち反論を準備した。 Even after receiving absurd criticism, she remained calm and prepared her rebuttal.

Usage Guide

Context: workplace complaints, social commentary, sports, social media

Tone: indignant

Origin & History

Compound of 理 (ri — principle, reason), 不 (fu — not, un-), and 尽 (jin — to exhaust, to penetrate thoroughly). The classical sense was 'not exhausting reason/principle' — failing to reason through something properly.

Cultural Context

Era: Modern

Generation: All ages

Social background: General