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īrascĭbĭlis: e, adj. irascor,I choleric, irascible (post-class.): irascibilem effici, Firm. Math. 5, 9.
īrāscĭbĭlis, et īrāscĭtīvus, a, um, irascible : Firm. Math. 5, 9 ; Hier. Ezech. 1, 1, 7.