sub·​mers·​ible | \ səb-ˈmər-sə-bəl \

Definition of submersible

 (Entry 1 of 2)

: capable of being submerged



Definition of submersible (Entry 2 of 2)

: something that is submersible especially : a usually small underwater craft used especially for deep-sea research

Examples of submersible in a Sentence

Recent Examples on the Web: Adjective

Marine scientists used a five-person submersible to learn more about the sand lance, a forage fish that is a staple of the chinook salmon diet. Katherine Long, The Seattle Times, "In a five-person submarine, scientists in Friday Harbor unravel the mysteries of the Salish Sea," 16 Sep. 2018 That shorter list includes parts for aircraft-engine turbines, submersible electric pumps, locomotives and steam boilers. Theo Francis, WSJ, "Caught in Trump’s Trade Fight: GE Factories in Wisconsin, South Carolina," 24 June 2018 The OnePlus 6 does not have the strong, submersible water resistance of the competition. Ron Amadeo, Ars Technica, "OnePlus 6 Review—A series of downgrades is saved by the low price," 21 May 2018 When Laborde was looking for investors for a mobile, submersible offshore-drilling rig, Charles Murphy Jr., the leader of Murphy Oil Corp., loaned him $500,000 and helped Laborde round up other investors. Contributing Writer,, "He was considered the father of the offshore oil industry. Can you name him?," 16 May 2018 Boeing and Lockheed Martin recently were named finalists in the U.S. Navy’s Orca Extra-Large Unmanned Underwater vehicle project, which aims to develop big submersible drones capable of handling long-distance missions with significant payloads. Mike Freeman,, "The next frontier for defense drones may be the world's oceans," 23 Oct. 2017 The face of one of the occupants is just visible through one of the submersible round ports. Marissa Fessenden, Smithsonian, "In the Early 20th Century, the Department of Tropical Research Was Full of Glamorous Adventure," 25 Apr. 2017 The weeklong expedition to the Andrea Doria, organized by submersible company OceanGate, was designed to collect information on the current condition of the wreck. Kristin Romey, National Geographic, "Why an Astronaut Is Exploring the 'Mount Everest of Shipwrecks'," 14 June 2016 Buy a submersible small fountain pump with a flow control valve at most any hardware store. The Pecks,, "Adding soothing water feature to a garden can be simple, following these steps: The Pecks," 18 June 2017

Recent Examples on the Web: Noun

With two helicopters, a submersible, and custom features built to navigate the farthest reaches of the planet, the vessel is well equipped for adventure. Klara Glowczewska, Town & Country, "The Best Places to Travel in 2019," 7 Dec. 2018 Picture a school of small submersibles that can communicate with each other and sink an enemy ship. Seth Cropsey, WSJ, "How to Win a Cold War With Beijing," 25 Oct. 2018 Maersk Drilling—which operates a fleet of 23 jackup rigs, drillships and semi-submersibles—was put on the block two years ago when Maersk set out to transform itself from a sprawling conglomerate into a container logistics firm. Costas Paris, WSJ, "Maersk to Spin Off Drilling Unit as Breakup Plan Moves Forward," 17 Aug. 2018 Wargaming officials said submersibles will be added as the permanent 5th class of vessels alongside World War II-era battleships, cruisers, destroyers, and aircraft carriers. Gordon Mah Ung, PCWorld, "World of Warships dives deep for new players, adding submarines to popular naval combat game," 18 Sep. 2018 Two OceanGate boats, a big UW research towing vessel and a small inflatable craft zoomed in, helping to guide the sub onto a cradle on a barge that is used to tow the submersible around. Katherine Long, The Seattle Times, "In a five-person submarine, scientists in Friday Harbor unravel the mysteries of the Salish Sea," 16 Sep. 2018 Blue Marble will be working with OceanGate Expeditions, the designers of a submersible that will transport the guests and crew over two miles below the Atlantic, where the wreckage site rests. Jasmine Sanders, The Cut, "You’ll Have to Wait Until 2019 for That $100,000 Tour of the Titanic Wreckage," 7 June 2018 Aborting their plan to surface, the filmmakers followed the strange creature around for 25 minutes, capturing its movements through the submersible’s 1.4 meter-wide window. Katie Langin, Science | AAAS, "Exclusive: ‘I’ve never seen anything like it’. Video of mating deep-sea anglerfish stuns biologists," 22 Mar. 2018 The rescue effort attracted diving experts from all over the world and even the attention of billionaire inventor Elon Musk, who dispatched his own engineering team that brought along a tiny submersible. J. Weston Phippen, Outside Online, "The Daring Rescue that Saved the Thai Soccer Team," 10 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'submersible.' 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 submersible


1807, in the meaning defined above


1900, in the meaning defined above

Keep scrolling for more

Learn More about submersible

Share submersible

Statistics for submersible

Look-up Popularity

Time Traveler for submersible

The first known use of submersible was in 1807

See more words from the same year

Keep scrolling for more

More Definitions for submersible



English Language Learners Definition of submersible

 (Entry 1 of 2)

: able to be used underwater



English Language Learners Definition of submersible (Entry 2 of 2)

: a small vehicle that can operate underwater and that is used especially for research

More from Merriam-Webster on submersible

Rhyming Dictionary: Words that rhyme with submersible Encyclopedia article about submersible

Comments on submersible

What made you want to look up submersible? Please tell us where you read or heard it (including the quote, if possible).


very full or close together

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

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