subsea

S1U1B3S1E1A1

adjective

Beneath the sea, that is, beneath the sea surface, inside the sea.

“Near-synonym: underwater”

Similar
underseasubmarineunderwater
Less commonScrabble 8
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Meanings

adjectivesubsea (not comparable)
  1. not comparableBeneath the sea, that is, beneath the sea surface, inside the sea.

    Near-synonym: underwater

    Synonyms: undersea, submarine, underwater

Synonyms & antonyms

adjectiveBeneath the sea, that is, beneath the sea surface, inside the sea.

Similar
underseasubmarineunderwater
Also see
submarineundersea

Origin

From sub- + sea.

Full word history & related roots →
Cite this entry
APA

subsea. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/subsea

MLA

“subsea.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/subsea. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “subsea,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/subsea.

Source: subsea on Wiktionary, CC BY-SA 4.0.