irrationality
Translation
irrationality, unreasonableness
Examples
He was shocked by the irrationality of her decision.
He was shocked by the irrationality of her decision.
Grammar Patterns
the irrationality of ((sth.)) to describe the lack of reason in something The irrationality of the decision was obvious.
Similar Words
Synonyms: unreasonableness, illogicality; Antonyms: rationality, reasonableness
Etymology
From the prefix 'ir-' (not) + 'rational' (based on reason) + the suffix '-ity' (forms a noun). It means 'the state of not being rational'.
Memory Tips
Think of 'ir-' as a negative prefix, like in 'irregular' or 'irresponsible'. It negates 'rationality'.