irritability
ir-ri-ta-bil-i-ty
noun
The state of being easily annoyed, frustrated, or provoked.
"Lack of sleep caused his irritability to worsen."
Thesaurus
Synonyms: snappishness, surliness, biliousness, peevishness, temper, pettishness, excitability, fussiness, fretfulness, choler, crossness, petulance