noun.
The quality or condition of being impatient.
The Century Dictionary and Cyclopedia
noun.
The state or character of lacking patience; restlessness under existing conditions; eager desire for relief or change.
noun.
Intolerance of anything that thwarts or hinders; passionate vehemence; in a milder sense, quickness of temper; touchiness.
the GNU version of the Collaborative International Dictionary of English
noun.
The quality of being impatient; lack of endurance of pain, suffering, opposition, or delay; eagerness for change, or for something expected; restlessness; chafing of spirit; fretfulness; passion.