scuba

noun

scu·​ba ˈskü-bə How to pronounce scuba (audio)
often attributive
: an apparatus utilizing a portable supply of compressed gas (such as air) supplied at a regulated pressure and used for breathing while swimming underwater

Examples of scuba in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Their jams are scuba dives in warming oceans that wash you up on shore with a sense of wonder. — Will Hermes, Rolling Stone, 28 Apr. 2025 During their scuba dives, researchers encountered dozens of small fish with unique eyes, the study said. — Aspen Pflughoeft, Miami Herald, 15 Oct. 2025 Still operating today, guests scuba-dive 21 feet down to check into a suite that sleeps six. — Bill Gourgey, Popular Science, 2 July 2026 Vibes are high at Sun camp, Saniya Rivers has Rachid Meziane hitting the scuba on day 1! — Emily Adams, Hartford Courant, 19 Apr. 2026 See All Example Sentences for scuba

Word History

Etymology

self-contained underwater breathing apparatus

First Known Use

1952, in the meaning defined above

Time Traveler
The first known use of scuba was in 1952

Phrases Containing scuba

Rhymes for scuba

See All Rhymes for scuba

Browse Nearby Words

sctr
scuba
scuba diver
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Cite this Entry

“Scuba.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/scuba. Accessed 8 Jul. 2026.

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Kids Definition

scuba

noun
scu·​ba ˈsk(y)ü-bə How to pronounce scuba (audio)
: equipment used for breathing while swimming underwater
Etymology

self-contained underwater breathing apparatus

Last Updated: - Updated example sentences
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