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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. I'm sure there's a perfectly rational explanation for it.
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.
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.
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 definition: 1. based on facts and not affected by someone's emotions or imagination: 2. able to make decisions…. Learn more.
(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 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 argument / decision. He was too upset to be rational. Fewer examples. In that state of mind you can't make a rational decision. I'm sure there's a perfectly rational explanation for it. Adrenalin blocks out all rational thought. He has a very rational way of looking at things.
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.
