seafaring adjective 2noun 2forms 3 adjective2 •Living one's life at sea. •Fit to travel on the sea; seagoing.A rowing boat is not a seafaring craft. noun2 •The act, process, or practice of travelling the seas, such as by sailing or steaming. •The work or calling of a seafarer, especially a sailor. formsseafarings · more seafaring · most seafaring