Meaning of the word irrational in English
What does irrational mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.
irrational
US /ɪˈræʃ.ən.əl/
UK /ɪˈræʃ.ən.əl/
Adjective
1.
not logical or reasonable
Example:
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He has an irrational fear of spiders.
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Her decision seemed completely irrational to her colleagues.
2.
(of a number) not expressible as a ratio of two integers
Example:
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Pi is an irrational number.
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The square root of two is irrational.
Noun
an irrational number
Example:
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The set of irrationals is uncountable.
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He studied the properties of irrationals in his calculus class.
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