long-standing

British  

adjective

1. existing or in effect for a long time

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Example Sentences

“Our connection grew out of a genuine, long-standing friendship, which made it especially important for us to approach this with care,” they wrote.

From Los Angeles Times

The heart association applauded the government’s warnings against added sugars, refined grains and processed foods in January, noting that the advice aligns with the organization’s long-standing recommendations.

From Los Angeles Times

India on Monday declared the country free of the Maoist insurgency, fulfilling a long-standing deadline to defeat the decades-long rebellion.

From Barron's

The finding may finally explain a long-standing mystery.

From Science Daily

Other relief being sought includes dropping long-standing duties on countries that export fertilizer products to the U.S., such as Morocco, a supplier of phosphates.

From Los Angeles Times