in contrast to, rather than, instead of; particularly used in defining a concept by providing an example that does not fall inside the concept.

plural of opposite number

(politics, UK) In a house of legislature following the model of the Westminster system (such as the UK House of Commons), the parliamentary leader of the largest political party not forming the government.

plural of Leader of the Opposition

Women in relation to men or men in relation to women. / (attributively) Heterosexual, or otherwise relating to a relationship between a woman and a man.

plural of golden opportunity

(humorous) Targeting everyone indiscriminately.

Alternative spelling of equal-opportunity

(politics) Alternative form of Leader of the Opposition

plural of photo opportunity