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- Dictionaryrational/ˈraʃən(ə)l/
adjective
- 1. based on or in accordance with reason or logic: "I'm sure there's a perfectly rational explanation" Similar Opposite
- 2. (of a number, quantity, or expression) expressible, or containing quantities which are expressible, as a ratio of whole numbers.
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adjective. uk / ˈræʃ. ə n. ə l / us / ˈræʃ. ə n. ə l / Add to word list. C1. based on clear thought and reason: There must be some rational explanation for what happened. a rational act / course of action. a rational argument / decision. He was too upset to be rational. Fewer examples. In that state of mind you can't make a rational decision.
1. a. : having reason or understanding. b. : relating to, based on, or agreeable to reason : reasonable. a rational explanation. rational behavior. 2. : involving only multiplication, division, addition, and subtraction and only a finite number of times. 3. : relating to, consisting of, or being one or more rational numbers.
Use the adjective rational to describe people or ideas that operate according to logic or reason. While your brother has an artistic temperament, you have a rational one. Rational comes from the Latin word rationalis, meaning reasonable or logical.
being in or characterized by full possession of one's reason; sane; lucid: The patient appeared perfectly rational. Antonyms: insane. endowed with the faculty of reason: rational beings. of, relating to, or constituting reasoning powers: the rational faculty. proceeding or derived from reason or based on reasoning:
designating or of a real number or quantity expressible as the ratio of two integers, with the second integer not being equal to zero: all integers and fractions are rational numbers. see also irrational (sense 3) b. designating a function expressible as the quotient of two polynomials.
rational. ( ˈræʃənəl) adj. 1. using reason or logic in thinking out a problem. 2. in accordance with the principles of logic or reason; reasonable. 3. of sound mind; sane: the patient seemed quite rational. 4. endowed with the capacity to reason; capable of logical thought: man is a rational being. 5.
(of a person) able to think clearly and make decisions based on reason rather than emotions synonym reasonable. No rational person would ever behave like that. Try to be rational about it. Humans are essentially rational beings. She said that she had not been fully rational when she signed the form. Topics Personal qualities c1.
Noun. Filter. adjective. Of, based on, or derived from reasoning. Rational powers. Webster's New World. Similar definitions. Able to reason; reasoning; in possession of one's reason or sanity. Webster's New World. Similar definitions. Showing reason; not foolish or silly; sensible. A rational argument. Webster's New World. Similar definitions.
RATIONAL definition: 1. based on facts and not affected by someone's emotions or imagination: 2. able to make decisions…. Learn more.
From Longman Dictionary of Contemporary English ra‧tion‧al /ˈræʃənəl/ AWL adjective 1 rational thoughts, decisions etc are based on reasons rather than emotions OPP irrational Parents need to be fully informed so they can make a rational decision. I’m sure there’s a rational explanation for all this.
