Irrationality

//ɪˌɹæʃ.əˈnæl.ə.ti// noun

noun ·Moderate ·College level

Definitions

Noun
  1. 1
    The quality or state of being irrational.; The state of being illogical or absurd. countable, uncountable
  2. 2
    the state of being irrational; lacking powers of understanding wordnet
  3. 3
    The quality or state of being irrational.; The property of being an irrational number. countable, uncountable
  4. 4
    The quality or state of being irrational.; The state of being incapable of reason or abstract thought. countable, uncountable

    "Man introduces reason into the world of Nature, destroying irrational struggle and waste. But this activity is outside of self, distant, only reflected. Man sees this irrationality only with his intellect."

  5. 5
    Something that is irrational; the result of an illogical or absurd thought or action. countable

Synonyms

All synonyms
unreasonunreasonabsurdityaberrationabnormalityalienation

Example

More examples

"Reason is the narrow crest between irrationality and rationality."

Etymology

From irrational + -ity. May also be analyzed as ir- + rationality.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.