meaning of irritate
1.  To render null and void. 
2.  To increase the action or violence of; to heighten excitement in; to intensify; to stimulate. 
3.  To excite anger or displeasure in; to provoke; to tease; to exasperate; to annoy; to vex; as, the insolence of a tyrant irritates his subjects. 
4.  To produce irritation in; to stimulate; to cause to contract.  See Irritation, n. , 2. 
5.  To make morbidly excitable, or oversensitive; to fret; as, the skin is irritated by friction; to irritate a wound by a coarse bandage. 
6.  Excited; heightened. 
7.  excite to an abnormal condition, of chafe or inflame; "Aspirin irritates my 
						">stomach"
						 
