RATIONAL definition: agreeable to reason; reasonable; sensible. See examples of rational used in a sentence.

Define rational. rational synonyms, rational pronunciation, rational translation, English dictionary definition of rational. adj. 1. Having or exercising the ability to reason.

RATIONAL definition: 1. based on clear thought and reason: 2. (of a number) that can be expressed as the ratio of two…. Learn more.

Rational decisions and thoughts are based on reason rather than on emotion. He's asking you to look at both sides of the case and come to a rational decision.

Definition of rational adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Rational means based on clear, logical thinking rather than emotions. It describes decisions, actions, or people that are sensible, reasonable, and guided by sound judgment.

Jan 20, 2026 · Logically sound; not self-contradictory or otherwise absurd. His statements were quite rational.

The meaning of RATIONAL is having reason or understanding. How to use rational in a sentence.

agreeable to reason; reasonable; sensible: a rational plan for economic development. having or exercising reason, sound judgment, or good sense: a calm and rational negotiator. being in or …

The state or quality of being rational. Compare negative capability. [From Latin rationalis rational, from ratio, -onis reason or reckoning, from reri, ratus to think]