| Word | Definitions | Synonyms |
|---|---|---|
| abyssal | (adjective) relating to ocean depths from 2000 to 5000 meters | - |
| (adjective) resembling an abyss in depth; so deep as to be unmeasurable | Synonyms: abysmal, unfathomable | |
| colossal | (adjective) so great in size or force or extent as to elicit awe | Synonyms: prodigious, stupendous |
| palatoglossal | (adjective) relating to the palate and tongue | - |