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- Dictionaryirrational/ɪˈraʃən(ə)l/
adjective
- 1. not logical or reasonable: "irrational feelings of hostility"
- 2. (of a number, quantity, or expression) not expressible as a ratio of two integers, and having an infinite and non-recurring expansion when expressed as a decimal. Examples of irrational numbers are the number π and the square root of 2.
noun
- 1. an irrational number or quantity; a surd.
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Learn the definition of irrational as an adjective that means not using reason or clear thinking, or not based on logic. Find translations of irrational in Chinese, Spanish, Portuguese and more languages.
Learn the meaning of irrational as an adjective to describe illogical or unreasonable behaviour, feelings, or numbers. See synonyms, pronunciation, and usage examples from various sources.
The meaning of IRRATIONAL is not rational. How to use irrational in a sentence. not rational: such as; lacking usual or normal mental clarity or coherence; not endowed with reason or understanding…
Irrationality is the fact of not using reason or clear thinking. Learn how to pronounce it, see translations in different languages, and find examples of irrationality in love, markets, and religion.
Irrational means without reason, illogical, or incapable of being expressed as a ratio of integers. Learn the origin, synonyms, and usage of irrational in mathematics, logic, and verse.
Irrational means not consistent with or using reason, or not expressible as a ratio of integers. Learn the different meanings and uses of irrational in mathematics, poetry, and psychology, with synonyms and translations.
irrational means not based on clear thought or reason. Learn more about the word family, synonyms, antonyms and usage examples from the Longman Dictionary of Contemporary English.
Irrational means not based on logical reasons or clear thinking. Learn how to use this word in different contexts, such as feelings, behavior, beliefs, and arguments, with synonyms and examples from Collins Dictionary.
adjective: (= illogical, also Math, Psych) irrational; fear, belief unsinnig, irrational; (= not sensible) unvernünftig; (= not having reason) animal vernunftlos [...]
Dictionary definition of irrational. Lacking reason, logic, or sound judgment. "Emily's irrational jealousy over her partner's harmless interactions with others strained their relationship unnecessarily." Detailed meaning of irrational. When something is described as irrational, it implies that it goes against the norms of rationality and cannot be justified or explained through logical thinking.
