All abyssal synonyms
a·byss·al
A a adjective abyssal
- unfathomable — not able to be fathomed, or completely understood; incomprehensible: heroism in the face of unfathomable conflict.
adj abyssal
- abysmal — If you describe a situation or the condition of something as abysmal, you think that it is very bad or poor in quality.
- cavernous — A cavernous room or building is very large inside, and so it reminds you of a cave.
- deep — If something is deep, it extends a long way down from the ground or from the top surface of something.
- immeasurable — incapable of being measured; limitless: the immeasurable vastness of the universe.