Synonyms of abyssal
- 1. abyssal
- usage: relating to ocean depths from 2000 to 5000 meters
- 2. abysmal, abyssal, unfathomable, deep (vs. shallow)
- usage: resembling an abyss in depth; so deep as to be unmeasurable; "the abyssal depths of the ocean"
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Definition and meaning of abyssal (Dictionary)