adj · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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/ˈheɪdəl/
rhymes with -eɪdəl
1
adj
Meaning 1
Of or relating to the deepest parts of the ocean.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adjective
Meaning 2
relating to the deepest parts of the ocean (below 6000 meters)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From French hadal, from Hadès + -al. By surface analysis, had- + -al.
Across languages
Translations
9 source translations are retained for this English entry.
Catalan:
hadal
— of the deepest parts of the ocean
Czech:
hadální
— of the deepest parts of the ocean
Finnish:
syvänmeren
— of the deepest parts of the ocean
French:
hadal
— of the deepest parts of the ocean
Galician:
hadal
— of the deepest parts of the ocean
German:
benthal
— of the deepest parts of the ocean
Italian:
hadal
— of the deepest parts of the ocean
Russian:
хадаль
(khadal')
— of the deepest parts of the ocean
Spanish:
hadal
— of the deepest parts of the ocean