ir·ri·tant 
/ˈirətənt/ noun
plural ir·ri·tants /ˈirətənt/ noun [count] 1 : something that makes part of your body sore and painful
▪ dust and other lung irritants ▪ skin irritants 2 : something that is unpleasant or annoying : something that irritates you
▪ The delay was a minor irritant.
▪ dust and other lung irritants ▪ skin irritants
▪ The delay was a minor irritant.
