From Longman Dictionary of Contemporary Englishlong-servingˌlong-ˈserving adjective [only before noun] having a particular job or position for a long time a long-serving member of the committee
Examples from the Corpus
long-serving• Repeated calls for Mr Mubarak to change his long-serving and mediocre cast of ministers have so far been ignored.• Palace beat Watford 3-0, with these two men performing really well together and beginning another of Palace's long-serving full-back partnerships.• It is the day when Jean Fabre, the president-in-waiting, takes over from the long-serving incumbent Albert Ferrasse.• During 1948 two long-serving members of staff retired.• Systems topple, statues walk, long-serving political incumbents take a hike in a huge global shake-up.• Dole and Gramm, to be sure, enjoy fund-raising advantages of their own, as powerful long-serving senators.long-serving member• During 1948 two long-serving members of staff retired.• The end of the Summer Term saw the retirements of two long-serving members of staff.• Tribute was paid to Wally Heath, a long-serving member of the committee who had died during the year. 