irritability has definitions from the field of physiology
1
[ noun ] an irritable petulant feeling

Used in print

(Christopher Davis, First Family....)

He felt her irritability did not concern him , yet he knew he would not care even if it did .

Related terms

ill_humor pet testiness

2
[ noun ] (physiology) excessive sensitivity of an organ or body part

Synonyms

excitability

Related terms

responsiveness

3
[ noun ] a disposition to exhibit uncontrolled anger

Examples

"his temper was well known to all his employees"

*