Synonym word of of long standing:

age-old, constant, continuing, enduring, established, experienced, familiar, firm, hardened, inveterate, lifelong, long-lasting, long-lived, of long standing, perennial, perpetual, practiced, skilled, solid, staying, steady, time-honored, versed, veteran, vintage


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Synonyms:  A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Popular