Dictionary
ex•as•per•a•tion
Pronunciation: (ig-zas"pu-rā'shun), [key]—
n.
1. an act or instance of exasperating; provocation.
2. the state of being exasperated; irritation; extreme annoyance:
Her exasperation at being interrupted was understandable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.