Medical Definition of excitement
1: the act of exciting
2: the state of being excited: asa: aroused, augmented, or abnormal activity of an organism or functioning of an organ or partb: extreme motor hyperactivity (as in catatonic schizophrenia or bipolar disorder)
Seen and Heard
What made you want to look up excitement? Please tell us where you read or heard it (including the quote, if possible).