irrĕcūsābĭlis

e, adj.

2. inrecusabilis

I. 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.
Lewis & Short
A Latin Dictionary, 1879
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