形容词

1. 极坏的;糟透的
If you describe a situation or the condition of something as abysmal, you think that it is very bad or poor in quality.

1. resembling an abyss in depth
so deep as to be unmeasurable

e.g. the abyssal depths of the ocean

Synonym: abyssalunfathomable

2. very great
limitless

e.g. abysmal misery
abysmal stupidity