不 合 理(ふごうり)

ふごうり

na-adjective, noun

unreasonable, irrational

1. unreasonable, irrational, illogical

Lacking in logic, reason, or fairness. Used to describe systems, rules, arguments, or situations that do not make sense or are not justified.

この制度(せいど)は不合理(ふごうり)だ。

This system is irrational.

不合理(ふごうり)なルールは変(か)えるべきだ。

Unreasonable rules should be changed.

長年(ながねん)続(つづ)いてきた不合理(ふごうり)な慣習(かんしゅう)を見直(みなお)す時期(じき)に来(き)ている。

The time has come to reexamine unreasonable customs that have continued for many years.

Usage

不合理(ふごうり) is the opposite of 合理的(ごうりてき) (rational, reasonable). It is used in formal and intellectual discussions to critique systems, rules, or arguments.

Note that 不合理(ふごうり) focuses on logical inconsistency, while 不条理(ふじょうり) (absurd, unreasonable) has a more philosophical or existential connotation.

Common collocations

不合理(ふごうり)な制度(せいど): irrational system
不合理(ふごうり)な差別(さべつ): unreasonable discrimination
不合理(ふごうり)な慣習(かんしゅう): unreasonable custom
不合理(ふごうり)を正(ただ)す: to correct what is unreasonable

Related Words

Antonym: 合理(ごうり) (rationality)

Compare: 非合理(ひごうり) (irrationality)

Compare: 非合理的(ひごうりてき) (irrational)

general

Added 2026.2.16 23:12 · Revised 2026.9.2 13:01

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