: lasting or existing for a long time
It was a long-standing tradition for them to camp in the mountains for a week during the summer.
Some long-standing problems are finally being corrected.
their long-standing relationship
Cite this Entry
“Long-standing.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/long-standing. Accessed 24 Jun. 2026.
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