old line

/ˈoʊldˌlaɪn/
adjective
  1. Belonging to a traditional or conservative group, especially in business or politics; established and not changing with the times.
    • The old-line company refused to adopt new technology, sticking with methods from the 1950s.
    • The old-line members of the club resisted letting in younger, more diverse applicants.
    • Her family comes from old-line banking stock, with roots in the industry going back generations.
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