There are many synonyms for the term boat-builder, which is someone who constructs boats. These synonyms may reflect different styles, techniques, or areas of expertise. Some synonyms for boat-builder include shipwright, naval architect, boatwright, boat-maker, yacht builder, watercraft artisan, marine engineer, and boat craftsman. Depending on the context, some of these terms may be more appropriate than others. A naval architect, for example, may be more focused on designing boats, while a boat-maker may specialize in hand-crafting smaller boats. Ultimately, the choice of synonym depends on the specific needs of the boat construction project.