Meaning of the word abyssal in English

What does abyssal mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

abyssal

US /əˈbɪs.əl/
UK /əˈbɪs.əl/

Adjective

1.

relating to the depths of the ocean (the abyssal zone)

Example:
The submarine explored the abyssal plains, discovering new species.
Life in the abyssal zone is adapted to extreme pressure and darkness.
2.

immeasurably deep or profound

Example:
He felt an abyssal sense of despair after the loss.
The philosopher delved into abyssal questions of existence.