"snappishness" in the noun sense
1. temper, biliousness, irritability, peevishness, pettishness, snappishness, surliness
a disposition to exhibit uncontrolled anger
"his temper was well known to all his employees"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License