海中の定義と意味 - メリアム・ウェブスター

UNDERSEA Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition adjective adverb adjective 2 adjective adverb Example Sentences Word History Rhymes Entries Near Cite this Entry Citation Kids Definition Kids More from M-W Show more Show more Citation Kids More from M-W Save Word To save this word, you'll need to log in. Log In undersea 1 of 2 adjective un·​der·​sea ˌən-dər-ˈsē Synonyms of undersea 1 : being or carried on under the sea or under the surface of the sea undersea oil deposits undersea fighting 2 : designed for use under the surface of the sea an undersea fleet undersea 2 of 2 adverb variants or underseas ˌən-dər-ˈsēz : under the sea : beneath the surface of the sea photographs taken undersea Examples of undersea in a Sentence Adjective They are conducting undersea research. 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 . Adjective During the event, US officials emphasized the strategic importance of maintaining a strong undersea presence. — Georgina Jedikovska, Interesting Engineering , 27 Apr. 2026 The ship’s vertical structure will be a magnet for fish and undersea creatures. — Erin Gifford, Southern Living , 19 Apr. 2026 This is the latest of multiple dual-use technologies for cutting undersea cables developed by Chinese military and civilian organizations over the years. — Jonathan M. Gitlin, ArsTechnica , 16 Apr. 2026 Add cybersecurity and undersea cables to the brief, and the stakes become clear. — Margrethe Vestager, Time , 15 Apr. 2026 See All Example Sentences for undersea Word History First Known Use Adjective 1613, in the meaning defined at sense 1 Adverb 1645, in the meaning defined above Time Traveler The first known use of undersea was in 1613 See more words from the same year Rhymes for undersea abc absentee addressee adoptee agouti allottee amphorae amputee apc apogee appointee assessee See All Rhymes for undersea Browse Nearby Words under scrutiny undersea under seal See all Nearby Words Cite this Entry Style MLA Chicago APA Merriam-Webster “Undersea.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/undersea. Accessed 6 May. 2026. Copy Citation Kids Definition undersea adjective un·​der·​sea ˈən-dər-ˈsē 1 : being or carried on under the sea or under the surface of the sea undersea oil deposits undersea warfare 2 : designed for use under the surface of the sea undersea fleet More from Merriam-Webster on undersea Thesaurus: All synonyms and antonyms for undersea Nglish: Translation of undersea for Spanish Speakers Last Updated: 29 Apr 2026 - Updated example sentences Love words? Need even more definitions? Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Merriam-Webster unabridged More from Merriam-Webster Word of the Day flamboyant See Definitions and Examples » Get Word of the Day daily email! Popular in Grammar & Usage See More More Commonly Mispronounced Words Regarding the Incorrect Use of 'Decimate' 5 Verbal Slip Ups and Language Mistakes Is that lie 'bald-faced' or 'bold-faced'? The Difference Between 'i.e.' and 'e.g.' See More Popular in Wordplay See More The Longest Long Words List Where does 'curiosity killed the cat' come from? 9 Other Words for Beautiful Was 'nervous Nellie' a real person? 12 Lovely and Unusual Words for the Natural World See More Popular See More More Commonly Mispronounced Words The Longest Long Words List Where does 'curiosity killed the cat' come from? See More Games & Quizzes See All Quordle Can you solve 4 words at once? Play Blossom Pick the best words! Play The Missing Letter A daily crossword with a twist Play Name That Tree! A quiz that’s all bark, no bite. Take the quiz See All