Word: abyssal
Phonetic:
/əˈbɪs.l̩/
Listen:
Belonging to, or resembling, an abyss; unfathomable.
Of or belonging to the ocean depths, especially below 2000 metres (6500 ft): abyssal zone.
Pertaining to or occurring at excessive depths in the earth's crust; plutonic.
You can find a list of possible crossword clues for ABYSSAL below.