<p><strong>Adjective</strong></p><ul><li>of, living in, or produced by the ocean: oceanic currents.</li><li>Oceanography.</li><li>of or relating to the region of water lying above the bathyal, abyssal, and hadal zones of the sea bottom.</li><li>Compare neritic, pelagic.</li><li>immensely large; vast: an oceanic expanse of stars.</li><li>(initial capital letter) of or relating to Oceania, its peoples, or their languages.</li></ul>