impassive
- s having or revealing little emotion or sensibility; not easily aroused or excited
her impassive remoteness
he remained impassive, showing neither interest in nor concern for our plight"- Nordhoff & Hall - s deliberately impassive in manner
impatient
- a restless or short-tempered under delay or opposition
impatient with the slower students
impatient of criticism - s (usually followed by `to') full of eagerness
impatient to begin