| 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: | marine/maritime |
| Part of Speech: | adjective |
| Definition: | concerning the sea |
| Synonyms: | Neptunian, abyssal, aquatic, coastal, deep-sea, hydrographic, littoral, maritime, natatorial, nautical, naval, navigational, oceangoing, oceanic, oceanographic, of the sea, pelagic, saltwater, sea, seafaring, seagoing, seashore, seaside, shore |
| 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: | thalassic |
| Part of Speech: | adjective |
| Definition: | marine |
| Synonyms: | Neptunian, abyssal, aquatic, coastal, deep-sea, hydrographic, littoral, maritime, natatorial, nautical, naval, navigational, oceangoing, oceanic, oceanographic, of the sea, pelagic, saltwater, sea, seafaring, seagoing, seashore, seaside, shore |