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

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

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

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

Definition of rational adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and 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. Mary was able to short-circuit …

There are 17 meanings listed in OED's entry for the word rational, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Nov 4, 2025 · For “rational,” the words and traits that had strongest association could be categorized into two general categories. The first included words that indicated logic, …

Synonyms for RATIONAL: intelligent, reasoning, reasonable, thinking, logical, analytical, mental, analytic; Antonyms of RATIONAL: irrational, unreasonable, nonrational, unthinking, …

rational adjective (WITHOUT EMOTION) able to make decisions based on facts and not be influenced by your emotions or imagination: