During the summit, several political oppositions formed alliances to challenge the ruling coalition.

In yesterday's match, the opposition parries disrupted our rhythm and forced several turnovers.

When two lines intersect, the opposite angles are equal, which helps solve many geometry problems.

The council mobilized a counter-opposition to block the reform.

The Closing Opposition delivered a sharp rebuttal in the final round, shifting the judges' attention with strategic contrasts.

The Opening Opposition drafted a clear strategy to attack the government's case during their second and fourth speeches.

At the town meeting, the environmentalists and developers stood firmly on opposite sides of the barricades, each convinced the other threatened the community's future.

After repeated incidents at school, his pediatrician diagnosed him with oppositional defiant disorder and recommended behavioral therapy.

The clinic reported an increase in oppositional defiant disorders among adolescents this year.