Words similar to longest-standing

Example sentences for: longest-standing

How can you use “longest-standing” in a sentence? Here are some example sentences to help you improve your vocabulary:

I am probably one of your longest-standing subscribers (a very awkward locution but I am probably not one of your oldest).
Dealing in alcohol and liquor is one of the longest-standing trades in Bermuda, and you will find the finest products from around the world.
Her first, most lucrative, and longest-standing client was Procter & Gamble--a contact she had made before she ever entered government.