ir·ri·ta·ble 
/ˈirətəbəl/ adjective
/ˈirətəbəl/ adjective [more irritable; most irritable] : becoming angry or annoyed easily
▪ My father is always irritable after a nap. ▪ I came home from work feeling tired and irritable.
▪ My father is always irritable after a nap. ▪ I came home from work feeling tired and irritable.
— ir·ri·ta·bil·i·ty /ˌirətəˈbɪləti/ noun [noncount]
▪ Side effects include fatigue and increased irritability.
/ˌirətəˈbɪləti/ noun [noncount] ▪ Side effects include fatigue and increased irritability.
— ir·ri·ta·bly /ˈirətəbli/ adverb
▪ “What's taking so long?” he asked irritably.
/ˈirətəbli/ adverb ▪ “What's taking so long?” he asked irritably.
