adjective
B2
Upper-Intermediate
undersea
Undersea (adjective) means existing or taking place beneath the surface of the sea. Example: “The documentary explored an undersea volcano off the coast of Japan.”
adjective
1
Existing or taking place beneath the surface of the sea.
"The Channel Tunnel is the longest undersea tunnel in the world, with this section being 38km (23.6 miles) long."
— , The essential Eurotunnel (2022)
"The documentary explored an undersea volcano off the coast of Japan."
"It is not known just what action will be taken against the captain of the undersea boat."
— George M. Battey, Jr (1920)
""You're right!" she cried. "I'm sure you are." Twenty reasons come back. An undersea tunnel to the little island."
— The Saturday Evening Post, G. Graham (1923)
How to use undersea
Learner’s notesIn plain EnglishLocated or happening below the surface of the ocean.
Common pairings
undersea cable
undersea volcano
undersea exploration
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The documentary explored an _____ volcano off the coast of Japan.
Etymology
From under- plus sea.
Synonyms
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Rhymes for undersea
See all rhymes for undersea →Frequently asked questions
What does “undersea” mean?
The word “undersea” means existing or taking place beneath the surface of the sea. In plain terms, located or happening below the surface of the ocean.
How do you use “undersea” in a sentence?
Here is “undersea” used in a sentence: “The documentary explored an undersea volcano off the coast of Japan.”
What part of speech is “undersea”?
“Undersea” is an adjective.
What is the meaning of undersea?
"undersea" (adjective) means existing or taking place beneath the surface of the sea.
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