Synonyms for Oceanic (same or very similar meaning)
WordNet sense 1 (an eastern subfamily of Malayo-Polynesian languages):
Eastern Malayo-Polynesian
WordNet sense 2 (relating to or occurring or living in or frequenting the open ocean):
pelagic
WordNet sense 3 (having no limits in range or scope):
limitless, unlimited
WordNet sense 4 (relating to or characteristic of or occurring on the sea or ships):
sea
From the ODE community, based on WordNet
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