irrationality
Definitions
The quality or state of being illogical, unreasonable, or lacking sound judgment.
The state of being inconsistent with or contrary to reason.
Examples
The sheer irrationality of his decision left the entire team in a state of confusion.
She struggled to understand the irrationality behind the sudden change in company policy.
History is often defined by the irrationality of human conflict and the pursuit of power.
Synonyms
illogic absurdity unreasonableness foolishness senselessness incoherence insanity