interest group

noun

1. a group of people drawn or acting together in support of a common interest or to voice a common concern.

   Political interest groups seek to influence legislation.

interest group

1. An organized group that tries to influence the government to adopt certain policies or measures. Also called pressure group. (See lobby.)

Word History and Origins

Origin of interest group¹

First recorded in 1905–10

Related Words

• lobby 
• political action committee www.thesaurus.com
• pressure group