When it comes to describing experienced seamen, "old sea dogs" is a popular phrase. However, there are many other synonyms that can be used to refer to these veteran sailors. Some of them include "salt," "sea wolf," "old salt," "sea dog," "sea wolf," or "sea veteran." These terms have been used throughout maritime history to describe sailors who have spent years at sea, weathering the elements and facing all kinds of challenges on the water. While "old sea dog" remains a classic and widely recognized phrase, these other synonyms can add variety to descriptions of skilled sailors with a wealth of experience behind them.