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long-standing - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

long-standing (comparative longer-standing or more long-standing, superlative longest-standing or most long-standing)

  1. Having existed for a long time.
    • 2020 June 17, David Clough, “Then and now: trains through Crewe”, in Rail, page 60:

      Forty-five years ago, Crewe was witnessing the first year of the revised timetable associated with the 'Electric Scots' services, following inauguration of through London-Glasgow electric running in May 1974. Except for Euston-North Wales traffic, the long-standing practice of motive power changing at Crewe had ended.

  2. Having been done for long enough time to become convention.

    Long-standing custom calls for referring to the town chairman as mayor, even though we don't have a mayor.

having existed for a long time

having been done for long enough time to become convention