seaward UK /ˈsiːwəd/US /ˈsiwəɹd/adjective 1adverb 1 adjective1 •Being in or facing towards the sea.The landward side of the fort faced more dangerous guns than the seaward side, which only faced what could be put on a ship. adverb1 •In the direction of the sea, toward the sea.Ever the sailor's widow looked seaward, hoping to see her missing man coming home.