oldline

/ˈoʊldˌlaɪn/
adjective
  1. Belonging to a traditional or established group, especially in politics or business; conservative or resistant to change.
    • The company's oldline management style clashed with the startup's innovative culture.
    • Her family was part of the oldline aristocracy that had controlled the region for centuries.
    • The oldline members of the club resisted any new ideas about membership.
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