Pronunciation: /ɪˌræʃ.əˈnæl.ɪ.ti/
noun the quality or state of being irrational; lack of rationality or reason
A1 Irrationality is when someone acts without thinking.
A2 She couldn't explain the irrationality of her fear of spiders.
B1 The decision to quit his job seemed like an act of irrationality.
B2 The irrationality of his beliefs became apparent during the debate.
C1 The scientist's research focused on the irrationality of human decision-making.
C2 The philosopher delved into the depths of irrationality in human behavior.
adjective irrational
A1 Some people have irrational fears of spiders.
A2 She couldn't understand his irrational behavior.
B1 The decision to quit his job seemed irrational to his friends.
B2 Her irrationality in handling the situation surprised everyone.
C1 The scientist's irrationality in his approach to the experiment raised concerns.
C2 The CEO's irrationality in making risky investments led to the downfall of the company.
formal The decision was based on pure irrationality and lacked any logical reasoning.
informal Her fear of spiders was just pure irrationality, she knows they can't hurt her.
slang Stop being so irrational, there's no need to overreact like that.
figurative The irrationality of his actions left everyone puzzled and confused.
irrationalized
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more irrational
most irrational
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will irrationalize
has irrationalized
is irrationalizing
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irrationalized