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Definition of abyssal

abyssal

/əˈbɪs.əl/
a · bys · sal

Adverb:abyssally
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abyssal Lexical Profile

abyssal Game Scores & Validity

• adjective

1

Relating to or denoting the depths or bed of the ocean, specifically the zone between 3,000 and 6,000 meters down where sunlight never penetrates.

Example

"Marine biologists used a remotely operated submersible to photograph bioluminescent organisms living on the abyssal plain."


2

Profoundly or immeasurably deep; resembling a bottomless chasm.

Example

"The explorers peered cautiously into the abyssal darkness of the subterranean cavern."


3

Relating to igneous rock that has solidified from magma at great depth beneath the Earth's surface; plutonic.

Example

"Granite is an abyssal rock characterized by large mineral crystals formed during slow underground cooling."

Synonyms
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Antonyms
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Word Nuance & Usage

'Abyssal' is primarily used in scientific and literary contexts to describe physical or metaphorical depths, whereas 'abysmal' is commonly used in everyday speech to mean 'extremely bad' or 'appalling.'

• Rhymes for abyssal

Word Origin & Etymology

First recorded in the mid-17th century, 'abyssal' derives from Late Latin 'abyssalis', from Greek 'abyssos' meaning 'bottomless' (composed of the privative prefix 'a-' meaning 'without' and 'byssos' meaning 'bottom').

Cite this Entry


Wordmom. (2026). Definition of Abyssal. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/abyssal
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