is similar to
of or taking place in the deeper parts of the sea
"deep-sea fishing"; "deep-sea exploration"
is similar to
used on the high seas
"seafaring vessels"
is similar to
constituting or living in the open sea
"oceanic waters"; "oceanic life"
is similar to
at some distance from the shore
"offshore oil reserves"; "an offshore island"
is similar to
being or passing over or across the sea
"some overseas trade in grain arose"
is similar to
formed or situated or occurring beneath the ocean or the ocean bed
"suboceanic oil resources"