The Collaborative International Dictionary
Irritative
Irritative \Ir"ri*ta*tive\, a.
Serving to excite or irritate; irritating; as, an irritative agent.
Accompanied with, or produced by, increased action or irritation; as, an irritative fever.
--E. Darwin.
Wiktionary
irritative
a. 1 serving to excite or irritate 2 accompanied with, or produced by, increased action or irritation
WordNet
irritative
adj. (used of physical stimuli) serving to stimulate or excite; "an irritative agent" [syn: irritating]