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  1. DEEPEST Definition & Meaning - Merriam-Webster

    The meaning of DEEP is extending far from some surface or area. How to use deep in a sentence. Synonym Discussion of Deep.

  2. Deepest - definition of deepest by The Free Dictionary

    Define deepest. deepest synonyms, deepest pronunciation, deepest translation, English dictionary definition of deepest. adj. deep·er , deep·est 1. a. Extending far downward below a surface: a …

  3. Deepest Part of the Ocean - Deepest Ocean Trench - Geology.com

    The Challenger Deep in the Mariana Trench is the deepest known point in Earth's oceans. In 2010 the United States Center for Coastal & Ocean Mapping measured the depth of the …

  4. Top 10 Deepest Oceans and Seas in the World - Infoplease

    Oct 14, 2025 · Discover the deepest oceans and seas on Earth, from the Pacific Ocean’s Mariana Trench to the Caribbean and the Arctic. Learn how deep they reach and why these regions are …

  5. What does deepest mean? - Definitions.net

    This dictionary definitions page includes all the possible meanings, example usage and translations of the word deepest. Did you actually mean deep-set or deep south?

  6. DEEPEST - 19 Synonyms and Antonyms - Cambridge English

    These are words and phrases related to deepest. Click on any word or phrase to go to its thesaurus page.

  7. DEEPEST in Thesaurus: All Synonyms & Antonyms

    Browse the complete thesaurus entry for Deepest, including synonyms and antonyms, and related words.