Irrationality: meaning, definitions and examples

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irrationality

 

[ ɪˌræʃ.əˈnæl.ɪ.ti ]

Noun
Context #1 | Noun

in psychology

The quality of being irrational; lacking the power of reasoning; contrary to reason; illogical.

Synonyms

illogical, unreasonable

Examples of usage

  • Her irrationality made it difficult to have a logical conversation with her.
  • His irrationality led to impulsive decision-making.
Context #2 | Noun

in mathematics

The quality of being irrational; a number that cannot be expressed as a ratio of two integers, such as the square root of 2.

Synonyms

non-rational, transcendental

Examples of usage

  • The number pi is an example of irrationality in mathematics.

Translations

Translations of the word "irrationality" in other languages:

🇵🇹 irracionalidade

🇮🇳 अतार्किकता

🇩🇪 Irrationalität

🇮🇩 irasionalitas

🇺🇦 нераціональність

🇵🇱 irracjonalność

🇯🇵 不合理

🇫🇷 irrationalité

🇪🇸 irracionalidad

🇹🇷 irrasyonellik

🇰🇷 비합리성

🇸🇦 اللاعقلانية

🇨🇿 iracionalita

🇸🇰 iracionalita

🇨🇳 非理性

🇸🇮 iracionalnost

🇮🇸 óraunsæi

🇰🇿 иррационалдық

🇬🇪 ირაციონალობა

🇦🇿 irrasyonalizm

🇲🇽 irracionalidad

Word origin

The word 'irrationality' originated from the Latin word 'irrationalis', which means 'not endowed with reason'. The concept of irrationality has been studied in various fields including psychology, mathematics, and philosophy. In psychology, irrationality refers to behavior or thoughts that are not based on reason or logic. In mathematics, an irrational number is a number that cannot be expressed as a ratio of two integers. The study of irrationality has led to important discoveries and insights in these fields.

See also: irrationally.

Word Frequency Rank

Positioned at #22,927, this word is part of extensive vocabulary. It's relatively rare in general usage but may be important in specific fields or formal writing.