abyssal

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. relating to ocean depths from 2000 to 5000 meters
• Pertains to noun:
abyssal zone
2. resembling an abyss in depth;
so deep as to be unmeasurable
- the abyssal depths of the ocean
• Syn:
abysmal, unfathomable
• Similar to:
deep
• Derivationally related forms:
abyss, abysm (for: abysmal)

• Từ đồng nghĩa / Synonyms:
  abysmal, unfathomable