急躁

Some impatience was exhibited in the audience owing to the non-arrival of the speaker.

He is irascible and violent.

Don't be impatient with children.

be of a hot/quick/short temper; be hot-tempered/quick-tempered/short-tempered

exhibit impatience

restrain oneself from losing one's temper

become irritated

advance impetuously and fall into an ambush

ungovernable impatience

restrain/suppress one's impatience

guard against impetuosity