Webster's Revised Unabridged Dictionary · 1913

Exasperation

Exasperation , noun

[Latin exasperatio: compare French exaspération.]

1.
The act of exasperating or the state of being exasperated; irritation; keen or bitter anger.
Extorted from him by the exasperation of his spirits. — South
2.
Increase of violence or malignity; aggravation; exacerbation.
Exasperation of the fits. — Sir H. Wotton