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Word of the Day Tuesday, June 9, 2026

hadal

/ˈheɪdəl/ noun · British & US
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What does hadal mean?

noun

The deepest part of an ocean, typically a depression in the Earth's crust. A hadal zone is the deepest part of the ocean, extending from about 6,000 to 11,000 meters below sea level.

Example

"The hadal zone of the Mariana Trench is one of the most extreme environments on Earth."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for hadal

Antonyms of hadal

Rhymes with hadal

Etymologically related