Found 2 items, similar to irrationality.
English → English (WordNet) Definition: irrationality irrationality n : the state of being irrational; lacking powers of understanding [syn: unreason]
English → English (gcide) Definition: irrationality irrationality \ir*ra`tion*al"i*ty\, n. The quality or state of being irrational; absence of rationality. “Brutish irrationaliity.” --South. [1913 Webster]