irrational (B2)
adjective
Pronunciation: /ɪˈræʃənəl/
Definition
Not based on or not consistent with reason or logic.
Examples
Her fear of flying seemed completely irrational.
The stock market reacted to the news in an irrational way.
It's irrational to think that you can eat anything you want and not gain weight.
How to Use irrational
- irrational about (prepositional phrase)
- Having or showing an excessive or extreme obsession or belief about something. — "She's completely irrational about her cat's health."
- irrational fear of (collocation)
- An intense and often unfounded dread of a specific object or situation. — "He suffers from an irrational fear of heights."
Synonyms of irrational
Words with a similar meaning to irrational:
Antonyms of irrational
Words with the opposite meaning to irrational:
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