n. The character of being snappish; peevishness; tartness.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a disposition to exhibit uncontrolled anger
Word Usage
"The entire essay is wry, hilarious, and biting, but this line stands out in particular as typifying the kind of snappishness that made Vonnegut's works so memorable."