noun, often attributive
scu·​ba | \ ˈskü-bə How to pronounce scuba (audio) \

Definition of scuba

: 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 Unlike many of the country's scuba diving schools, which are based at resorts and target tourists, Naseem primarily serves local woman and children. Jenny Marc, CNN, 27 Dec. 2021 White Limited Series is praised for its depiction of interracial allyship between women of color, such as when one crew member encourages another to co-teach with a white man, because his scuba class doesn’t have as much enrollment as hers. Nina Sharma, The New Yorker, 12 Oct. 2021 So, in order to film underwater accurately as Cameron had envisioned, many of the cast members prepared by getting scuba-certified. Nicholas Rice,, 20 Dec. 2021 Many of the cast members prepared for the plunge by getting scuba-certified, culminating in a field trip to dive with manta rays in Hawaii. Devan Coggan,, 14 Dec. 2021 Snorkelers and scuba enthusiasts can explore the Indian Ocean’s staggering bounty, swim with sea turtles and manta rays, and learn about ocean conservation through Jean-Michel Cousteau’s Ambassadors of the Environment program. Alexandra Kirkman, Fortune, 3 Dec. 2021 For example, opportunities for snorkeling and scuba diving are plentiful and can be enjoyed year-round. Jessica Poitevien, Travel + Leisure, 1 Dec. 2021 Be sure to visit the dive shop to plan snorkeling and scuba diving excursions (including a number of PADI certification sessions); the Belize Barrier Reef Reserve System is just a few hundred yards offshore. Meredith Carey, Condé Nast Traveler, 29 Nov. 2021 Sarah isn’t interested in reuniting with her dear ol’ previously departed dad, who faked his death by putting on some scuba gear. Ariana Romero,, 4 Aug. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'scuba.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of scuba

1952, in the meaning defined above

History and Etymology for scuba

self-contained underwater breathing apparatus

Learn More About scuba

Dictionary Entries Near scuba



scuba diver

See More Nearby Entries 

Statistics for scuba

Last Updated

3 Jan 2022

Cite this Entry

“Scuba.” Dictionary, Merriam-Webster, Accessed 20 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for scuba


scu·​ba | \ ˈskü-bə How to pronounce scuba (audio) \

Kids Definition of scuba

: equipment used for breathing while swimming underwater


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!