Dictionary.com
Thesaurus.com

subsea

American  
[suhb-see, suhb-see] / sʌbˈsi, ˈsʌbˌsi /

adjective

  1. occurring, working, etc., under the sea or ocean.

    a subsea specialist in oil rigs.


Etymology

Origin of subsea

sub- + sea

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The system will have dual landings in India – at Machilipatnam, providing a shorter subsea route to Hyderabad, and at a new landing location in South Chennai, adding diversity to existing routes.

From BBC Sep. 3, 2026

And when an undersea cable breaks, India has another striking weakness: it has no domestic subsea cable-repair ships.

From BBC Sep. 3, 2026

Hsieh’s group is also building a wireless network using Meshtastic, an open-source technology that uses off-grid texting devices, for civilians to communicate even if China cuts the subsea cables.

From The Wall Street Journal Mar. 19, 2026

Internet arrives via subsea cables susceptible to sabotage and most energy is imported, two areas where diversification is a long-term goal.

From The Wall Street Journal Mar. 19, 2026

Down under the waters of the Long Island Sound she was taken in a glass-walled subsea vessel, where in a green and wavering world, quaint and curious sea-things ogled her and wiggled suddenly away.

From "I, Robot" by Isaac Asimov

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember new words for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com