deep-sea

adjective
\ˈdēp-ˈsē \

Definition of deep-sea 

: of, relating to, or occurring in the deeper parts of the sea deep-sea fishing

Synonyms for deep-sea

Synonyms

blue-water, oceanic, pelagic

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First Known Use of deep-sea

1626, in the meaning defined above

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The first known use of deep-sea was in 1626

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More Definitions for deep-sea

deep-sea

adjective

English Language Learners Definition of deep-sea

: living in, relating to, or done in the deep parts of the ocean

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