irrĕcūsābĭlis (inr-), e, adj. [2. inrecusabilis],
not to be refused (post class.): occasio, Cod. Just. 3, 1, 13; Hier. Ep. 60, 14. —Hence, adv.: irrĕcūsābĭlĭter , without possibility of refusal , Rustic. c. Aceph. p. 1218.