- of or relating to the ocean
- living in the depths of the ocean beyond the continental shelf at a depth exceeding 200 metres: oceanic fauna
- huge or overwhelming
WordReference Random House Learner's Dictionary of American English © 2026
o•ce•an•ic /ˌoʊʃiˈænɪk/USA pronunciation adj. [before a noun]
WordReference Random House Unabridged Dictionary of American English © 2026- of or relating to an ocean:oceanic depths.
o•ce•an•ic
(ō′shē an′ik),USA pronunciation adj.
- Oceanographyof, living in, or produced by the ocean:oceanic currents.
- Ecology, Oceanographyof or pertaining to the region of water lying above the bathyal, abyssal, and hadal zones of the sea bottom. Cf. neritic, pelagic.
- Place Namesimmensely large;
vast:an oceanic expanse of stars. - Language Varieties(cap.) of or pertaining to Oceania, its peoples, or their languages.
- Medieval Latin ōceanicus, equivalent. to Latin ōcean(us) ocean + -icus -ic
- 1650–60
Collins Concise English Dictionary © HarperCollins Publishers::
oceanic /ˌəʊʃɪˈænɪk/ adj
'oceanic' also found in these entries (note: many are not synonyms or translations):
albatross
- fulmar
- guillemot
- isostasy
- kittiwake
- petrel
- primitive
- shearwater
- sima
- Benioff zone
- Cocos Plate
- echograph
- epipelagic
- hagdon
- interoceanic
- mollymawk
- National Oceanic and Atmospheric Administration
- National Weather Service
- neritic
- NOAA
- oceanicity
- oceanic whitetip shark
- opah
- ophiolite
- pelagic
- Portuguese man-of-war
- thalassic
- transoceanic
- whitetip shark
- salpa
- suboceanic