Impatience \Im*pa"tience\n. [OE. impacience, F. impatience, fr. L. impatientia.]

The quality of being impatient; want of endurance of pain, suffering, opposition, or delay; eagerness for change, or for something expected; restlessness; chafing of spirit; fretfulness; passion; as, the impatience of a child or an invalid.

I then, . . . Out of my grief and my impatience, Answered neglectingly. --Shak.

With huge impatience he inly swelt More for great sorrow that he could not pass, Than for the burning torment which he felt. --Spenser.

Source: Webster's Revised Unabridged Dictionary (1913)