nounirrătĭōnābĭlĭtasIRRATIONABILITAS☆ KeepMeaningirrationalityLewis & Short 1879ModernAs printed, 1879IRRATIONABILITASLEWIS & SHORTIRRATIONABILITASirrătĭōnābĭlĭtas (inr-), ātis, f. irrationabilis, I. irrationality, App. Trism. p. 92, 1.Read the whole entry