Kairos is an appeal to the timeliness of the argument. Two common rhetorical devices are irony and metaphor. The use of irony in rhetoric is primarily to convey to the audience an incongruity that is often used as a tool of humor in order to deprecate or ridicule an idea or course of action.
Definition of irritant for English Language Learners. : 1  something that makes part of your body sore and painful. : 2  something that is unpleasant or annoying : something that irritates you.
Definition of Irritate. 1  cause annoyance in; disturb, especially by minor irritations; Mosquitoes buzzing in my ear really bothers me; It irritates me that she never closes the door after she leaves. 2  excite to an abnormal condition, of chafe or inflame; Aspirin irritates my stomach.