• synonyms


See more synonyms for deep-sea on Thesaurus.com
  1. of, pertaining to, in, or associated with the deeper parts of the sea: deep-sea fishing; deep-sea diver.
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Origin of deep-sea

First recorded in 1620–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for deep-sea

aquatic, naval, seafaring, marine, seagoing, oceangoing, deep-sea, maritime, coastal, saltwater, navigational, oceanic, shore, seashore, sea, nautical, seaside, littoral, pelagic, abyssal

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British Dictionary definitions for deep-sea


  1. (modifier) of, found in, or characteristic of the deep parts of the seadeep-sea fishing
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012