| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | occurring in water |
| Synonyms: | amphibian, amphibious, floating, marine, maritime, natatory, oceanic, of the sea, sea, swimming, watery |
| Main Entry: | maritime |
| Part of Speech: | adjective |
| Definition: | nautical |
| Synonyms: | aquatic, deep-sea, marine, naval, oceangoing, oceanic, pelagic, seafaring, seagoing |
| Main Entry: | nautical/naval |
| Part of Speech: | adjective |
| Definition: | concerning ships, sea |
| Synonyms: | abyssal, aquatic, boating, cruising, deep-sea, marine, maritime, navigating, navigational, oceangoing, oceanic, oceanographic, pelagic, rowing, sailing, sailorly, salty, sea-loving, seafaring, seagoing, thalassic, yachting |
| Main Entry: | oceanic |
| Part of Speech: | adjective |
| Definition: | marine |
| Synonyms: | aquatic, coastal, maritime, nautical, naval, oceangoing, oceanographic, of the sea, pelagic, seafaring, seagoing |
| Main Entry: | marine |
| Part of Speech: | adjective |
| Definition: | sea |
| Synonyms: | Neptunian, abyssal, aquatic, coastal, deep-sea, hydrographic, littoral, maritime, natatorial, nautical, naval, navigational, ocean-going, oceanic, oceanographic, pelagic, saltwater, sea, seafaring, seagoing, seashore, seaside, shore |
| Antonyms: | freshwater |
| Main Entry: | nautical |
| Part of Speech: | adjective |
| Definition: | sea |
| Synonyms: | abyssal, aquatic, boating, cruising, deep-sea, marine, maritime, naval, navigating, navigational, oceangoing, oceanic, oceanographic, pelagic, rowing, sailing, sailorly, salty, sea-loving, seafaring, seagoing, ship, thalassic, yachting |
| Main Entry: | naval |
| Part of Speech: | adjective |
| Definition: | seagoing |
| Synonyms: | aquatic, marine, maritime, nautical, oceangoing, seafaring |
| Notes: | naval means connected with or belonging to or used in a navy, ship, or shipping, while a navel is the mark on the surface of the abdomen that indicates where the umbilical cord was attached |
| Main Entry: | pelagic |
| Part of Speech: | adjective |
| Definition: | oceanic |
| Synonyms: | aquatic, marine, thalassic |
| Main Entry: | navigational |
| Part of Speech: | adjective |
| Definition: | nautical |
| Synonyms: | aquatic, boating, marine, maritime, navigating, oceanic, seafaring, shipping |