1. restless or short-tempered under delay or opposition (Freq. 5) - impatient with the slower students - impatient of criticism • Ant: patient • Similar to: restive, unforbearing • See Also: agitated • Derivationally related forms: impatience 2.(usually followed by 'to') full of eagerness (Freq. 2) - impatient to begin - raring to go • Syn: raring • Similar to: eager • Derivationally related forms: impatience