Word.ws English Dictionary

Challenger Deep

Challenger Deep proper noun: a deep in Mariana Trench, Pacific Ocean; a point in the Mariana Trench, known as the deepest point in the world's oceans.

Proper noun

Challenger Deep

  1. A deep in Mariana Trench, Pacific Ocean; a point in the Mariana Trench, known as the deepest point in the world's oceans.
    • The deepest sounding in the Pacific is 31,614 feet, known as the Challenger deep, sometimes called the Nero deep, south of the Ladrone Islands, and lacks only 66 feet of being 6 miles in depth.1909 June, Oscar C. S. Carter, “Earthquakes in the Light of the New Seismology”, in Journal of the Franklin Institute of the State of Pennsylvania, volume CLXVII, number 6, Philadelphia, →OCLC, pages...

Origin of Challenger Deep

Named after the British Royal Navy survey ship HMS Challenger, whose expedition of 1872–1876 made the first recordings of its depth.

Questions about Challenger Deep

What does Challenger Deep mean?
Challenger Deep means a deep in Mariana Trench, Pacific Ocean; a point in the Mariana Trench, known as the deepest point in the world's oceans.
What part of speech is Challenger Deep?
Challenger Deep is a proper noun.

Words near Challenger Deep in the dictionary

  1. challengeful
  2. challengeless
  3. challenger
  4. challenger bank
  5. challenger banks
  6. Challenger Deep
  7. challengers
  8. challenges
  9. challengest
  10. challengeth
  11. challenging

Source and license

Adapted from Wiktionary: Challenger Deep (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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