impatient

英[ɪm'peɪʃ(ə)nt] 美[ɪm'peʃnt]

1. restless or short of temper under delay or opposition;

"impatient with the slower students"

"impatient of criticism"

2. (usually followed by `to') full of eagerness;

"impatient to begin"

"raring to go"