long-standing

adjective

1. existing or in effect for a long time

Example Sentences

Their findings indicate that dynamic, time-varying models of dark energy provide a better fit to current observations than the long-standing cosmological constant model.

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"What we're seeing isn't a one-off innovation -- it's a long-standing technological tradition."

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Foden had been the long-standing headteacher at Ysgol Friars in Bangor, Gwynedd, and for a time a strategic head at another school in the county.

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From the perspective of someone that runs a long-standing family business, you recognize that over the years thousands of people have worked for your company.

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The pandemic also dealt a large blow to local salsa clubs, as peers in the long-standing dance club industry fell to lower attendance rates and rising rent.

Read more on Los Angeles Times