Synonyms of the word

suboceanic

• adj. Beneath the surface of the ocean.

sea

• n. A large body of salt water.
• n. A lake, especially if large or if salty or brackish.
• n. The swell of the sea; a single wave; billow.
• n. (attributive, in combination) Living or used in or on the sea; of, near, or like the sea.
• n. (figuratively) Anything resembling the vastness of the sea.
• n. (planetology) A large, dark plain of rock; a mare.
• n. (planetology) A very large lake of liquid hydrocarbon.