Main Entry: ir·ri·ta·ble

Pronunciation: \ˈir-ə-tə-bəl\

Function: adjective

Date: 1662

: capable of being irritated: as a : easily exasperated or excited <gets irritable when he tires> b : responsive to stimuli

— ir·ri·ta·ble·ness noun

— ir·ri·ta·bly \-blē\ adverb