Definitions
beneath the surface of the sea
Word origin
From under- + sea.
Used in a sentence
“It is not known just what action will be taken against the captain of the undersea boat.”
“"You're right!" she cried. "I'm sure you are." Twenty reasons come back. An undersea tunnel to the little island.”
“The Channel Tunnel is the longest undersea tunnel in the world, with this section being 38km (23.6 miles) long.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Below the ocean surface”8 letters
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