plural of political opposition

(geometry) Either of the angles directly opposite to each other when two lines intersect in a plane.

plural of opposite angle

(politics, sometimes attributive) The force acting against the opposition.

The team in a British Parliamentary Style debate which gets the sixth and eighth (last) speech.

The team in a British Parliamentary Style debate which gets the second and fourth speech (of a total of eight).

(idiomatic) Holding starkly opposite views on an issue.

A childhood disorder characterized by an ongoing pattern of anger-guided disobedience, hostility, and defiant behavior toward authority figures.

plural of oppositional defiant disorder