adjective
- Relating to ocean depths from 2000 to 5000 meters.
- Resembling an abyss in depth; so deep as to be unmeasurable.
- usage: "the abyssal depths of the ocean"
- synonyms: abysmal, unfathomable
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). abyssal. Retrieved September 20, 2026, from http://smartdefine.org/abyssal/definitions/1167120 |
| Chicago | WordNet. 2010. "abyssal" http://smartdefine.org/abyssal/definitions/1167120 (accessed September 20, 2026). |
| Harvard | WordNet 2010, abyssal, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/abyssal/definitions/1167120>. |
| MLA | WordNet. "abyssal" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/abyssal/definitions/1167120> |