"irritability" in the noun sense
1. irritability, crossness, fretfulness, fussiness, peevishness, petulance, choler
an irritable petulant feeling
2. excitability, irritability
excessive sensitivity of an organ or body part
3. 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