Pronunciation: (ag"ru-vā'shun), [key]
1. an increase in intensity, seriousness, or severity; act of making worse: an aggravation of pain.
2. the state of being aggravated.
3. something that causes an increase in intensity, degree, or severity.
4. annoyance; exasperation: Johnny causes me so much aggravation!
5. a source or cause of annoyance or exasperation: Johnny's such an aggravation to her!
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.