Word
abyssal
UK/ɐbˈɪsəl/
Definition
adj. relating to the very deep part of the ocean floor. It describes things that live in or are found in the dark, cold depths of the sea.
adj. relating to the deep ocean floor, specifically the region beyond the continental shelf. Often used in scientific contexts to describe geological or biological features of the deep sea.
Examples
“The abyssal plain is covered in thick layers of mud.”
“Scientists use special submersibles to study the abyssal life forms that survive in total darkness.”
“The abyssal trenches represent some of the most extreme environments on Earth, where pressure is immense and sunlight cannot penetrate the surface for thousands of meters.”
Examples
simple
“The abyssal plain is covered in thick layers of mud.”
contextual
“Scientists use special submersibles to study the abyssal life forms that survive in total darkness.”
complex
“The abyssal trenches represent some of the most extreme environments on Earth, where pressure is immense and sunlight cannot penetrate the surface for thousands of meters.”
Real-World Examples
“It lay in the darkness of the abyssal zone, at 4,204m (13,793ft) depth on Southwest Atlantic Ocean.” “I n the abyssal depths of the ocean, a data cable is a scrawny, unprotected thing, like a snail divested of its shell.” Etymology
First attested in the 1690s. From Medieval Latin abyssalis, from Latin abyssus (“abyss”) + -alis (“-al”). Equivalent to abyss + -al.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
NOUN
ADJECTIVE
Domains
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Rare
- Level
- C1 · Advanced
- Updated
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