合理的(ごうりてき)

ごうりてき
na-adjective
rational, reasonable, logical
legaldescriptive
1. rational, reasonable, logical
Based on reason or logic; sensible and practical.
合理的(ごうりてき)な判断(はんだん)をする。
Make a rational judgment.
それは合理的(ごうりてき)な説明(せつめい)だと思(おも)う。
I think that's a reasonable explanation.
感情(かんじょう)ではなく合理的(ごうりてき)に考(かんが)えるべきだ。
You should think rationally, not emotionally.
2. efficient, streamlined
Practical and efficient, without waste.
もっと合理的(ごうりてき)なやり方(かた)を考(かんが)えよう。
Let's think of a more efficient method.
時間(じかん)を合理的(ごうりてき)に使(つか)いたい。
I want to use my time efficiently.
この工場(こうじょう)では合理的(ごうりてき)な生産(せいさん)システムを導入(どうにゅう)して、無駄(むだ)を減(へ)らしている。
This factory has introduced an efficient production system to reduce waste.

Usage: 合理的(ごうりてき) is a ～的(てき) adjective used to describe decisions, explanations, and methods that are based on logic and reason.

Forms

  • 合理的(ごうりてき)な＋noun (rational/reasonable ~)
  • 合理的(ごうりてき)に (rationally - adverbial form)

Common collocations

Similar words

Legal context: In legal documents, 合理的(ごうりてき) often corresponds to "reasonable" as in "合理的(ごうりてき)な配慮(はいりょ)" (reasonable accommodation).

Related Words

Antonym: 非合理的(ひごうりてき) (irrational)
Compare: 感情的(かんじょうてき) (emotional)
Compare: 理性的(りせいてき) (rational)
Compare: 常識的(じょうしきてき) (sensible)
Compare: 理性的(りせいてき)な (rational)
Compare: 機能的(きのうてき) (functional)
Compare: 効率的(こうりつてき)な (efficient)
Antonym: 非合理(ひごうり) (irrationality)
general
Added 2026.1.17 13:49 · Revised 2026.9.2 13:01
06000/06199_gouriteki