Langimage
English

irrationality

|ir/ra/tion/al/i/ty|

C1

/ɪˌræʃəˈnælɪti/

lack of reason

Etymology
Etymology Information

'irrationality' originates from Latin, specifically the word 'irrationalitas,' where 'in-' meant 'not' and 'rationalis' meant 'reasonable.'

Historical Evolution

'irrationalitas' transformed into the French word 'irrationalité,' and eventually became the modern English word 'irrationality' through Middle English.

Meaning Changes

Initially, it meant 'not reasonable,' and this meaning has largely remained the same in modern usage.

Meanings by Part of Speech

Noun 1

the quality or state of being irrational; lacking reason or sound judgment.

His decision was driven by irrationality rather than logic.

Synonyms

Antonyms

Last updated: 2025/01/11 11:39