advocacy groupBrE /ˈædvəkəsi ɡruːp/ 🔊NAmE /ˈædvəkəsi ɡruːp/ 🔊 noun (NAmE) a group of people who work together to achieve sth, especially by putting pressure on the government, etc., usually on behalf of people who are unable to speak for themselves 倡议团体；吁请团；请愿团体◆an advocacy group for the rights of the mentally ill代表精神病患者的维权团体 ➡ compare interest group, pressure group