long-standing

British  

adjective

1. existing or in effect for a long time

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Example Sentences

Like many, he does not seek full independence for Tibet, in line with the Dalai Lama's long-standing "Middle Way" policy seeking autonomy.

From Barron's

This extreme puffiness helps resolve a long-standing question in planet formation.

From Science Daily

"This is a long-standing debate in planetary studies," said Jeehyun Yang, a postdoctoral researcher at UChicago and the study's lead author.

From Science Daily

Using the UBC faculty of medicine's high-resolution macromolecular cryo-electron microscopy facility, the team captured the statin-protein interaction in exceptional detail, turning a long-standing safety question into actionable scientific insight that could shape future therapies.

From Science Daily

The findings provide new insight into a long-standing scientific debate over whether monogamy is a critical step in the evolution of complex insect societies.

From Science Daily