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

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 …

The deepest area at the plate boundary is the Mariana Trench proper. The movement of the Pacific and Mariana plates is also indirectly responsible for the formation of the Mariana Islands.

This list of deepest caves includes the deepest known natural caves according to maximum surveyed depth as of 2025. The depth value is measured from the highest to the lowest …

Sep 15, 2025 · Where Are The Deepest Places On Earth? 7 Jaw-Dropping Locations From the deep ocean floor to vast underground caverns beneath our feet, these places challenge our …

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

Where would broad be a reasonable alternative to deep? The meanings of broad and deep largely overlap; however, broad is preferred when full horizontal extent is considered. When is …

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 …

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 …

Find 632 synonyms for deepest and other similar words that you can use instead based on 17 separate contexts from our thesaurus.