Hadal

//ˈheɪdəl// adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Of or relating to the deepest parts of the ocean. not-comparable
Adjective
  1. 1
    relating to the deepest parts of the ocean (below 6000 meters) wordnet

Etymology

From French hadal, from Hadès + -al. By surface analysis, had- + -al.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.