adj. 1. Prone to outbursts of temper; easily angered. 2. Characterized by or resulting from anger. [Middle English, from Old French, from Late Latin īrāscibilis, from Latin īrāscī, to be angry, from īra, anger; see eis- in the Appendix of Indo-European roots.] i·ras′ci·bili·ty, i·rasci·ble·ness n. i·rasci·bly adv. |
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