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.

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

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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.

RATIONAL meaning: 1 : based on facts or reason and not on emotions or feelings; 2 : having the ability to reason or think about things clearly

A rational person is someone who is sensible and is able to make decisions based on intelligent thinking rather than on emotion. Did he come across as a sane rational person? Rachel looked calmer and …