The team's lackluster performance disappointed the fans.
His speech was lackluster and failed to inspire the audience.
The teacher’s reiteration of the rules helped the students remember them.
His constant reiteration of the same point annoyed his classmates.
Her expression was inscrutable, making it hard to tell what she was thinking.
The ancient symbols on the wall were inscrutable to modern historians.
His casual outfit seemed incongruent with the formal event.
Their opinions were incongruent, leading to a long debate.
