submarine

/sʌb.məˈɹiːn/

sʌb · MƏɹIːN (2 syllables)

English Adj Top 7,171

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Definition

Being, relating to, or made for use underwater, especially beneath the sea.

From sub- + marine.

"Near-synonym: submerged (synonymous in "being underwater" sense)"
"[…] a Chorus of Sea-nymphs, who[…] arrive, in a winged car, from the submarine palace of their father Oceanus."
"a submarine patent"