oppositional

She took an oppositional stance on the issue.

Their views on the topic are oppositional.

The oppositional forces are gaining momentum.

He has an oppositional personality.

The artist's work is known for its oppositional themes.

The two siblings have an oppositional relationship.

The student's behavior in class was oppositional.

The company faced oppositional challenges in the market.

The oppositional forces are planning a protest.