To render null and void. [R.] Abp. Bramhall.
1. To increase the action or violence of; to heighten excitement in; to intensify; to stimulate. Cold maketh the spirits vigorous and irritateth them. Bacon. 2. 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. Dism...