mo·​tor·​boat | \-ˌbōt \

Definition of motorboat 

: a boat propelled usually by an internal combustion engine

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Other Words from motorboat

motorboater \-​ˌbō-​tər \ noun
motorboating \-​tiŋ \ noun

Synonyms for motorboat


powerboat, speedboat, stinkpot [slang]

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Examples of motorboat in a Sentence

motorboats are banned on the lake because they are a hazard to swimmers

Recent Examples on the Web

On Tuesday, some of the family's crown jewels were stolen in a high-speed motorboat heist. Caroline Hallemann, Town & Country, "Swedish Prince Carl Philip Just Posted a Sweet Photo of His Two Sons on Instagram," 3 Aug. 2018 When the HotTug isn't filled, it can be used as a motorboat to explore open waters. Lauren Smith, House Beautiful, "This Floating Hot Tub Is the Definition of Relaxation," 15 Aug. 2016 Peter Hanna is a regional sales manager in Shawinigan, Quebec, for Regal, a motorboat maker based in Orlando, Fla. Ian Austen, New York Times, "Trade War and Canadian Pride Mix in Retaliatory Tariffs Against U.S.," 30 June 2018 And passenger intoxication is a contributing factor in approximately 25 percent of fatal motorboat accidents. Adesuwa Agbonile, sacbee, "Here are 4 water safety tips for you and your family this Fourth of July," 3 July 2018 On Saturday Salvini contended on Twitter that the Open Arms had taken on the migrants before a Libyan motorboat, in Libya's search-and-rescue zone, could intervene. Fox News, "Spanish rescue boat saves 60 migrants off Libyan coast," 30 June 2018 After leading an hours-long meeting with his coalition leaders Sunday night at the premier's office, Conte said Italy was sending two motorboats with medical staff aboard in case the migrants needed help. NBC News, "Hundreds of migrants stranded in Mediterranean as Italy, Malta close ports," 11 June 2018 Driving Michigan would prohibit consuming marijuana while operating any vehicle, aircraft, snowmobile, off-road RV or motorboat, as well as consuming in the passenger area of vehicles. Kathleen Gray, Detroit Free Press, "How Michigan's marijuana proposal differs from Colorado law," 12 July 2018 Retaliatory tariffs announced by Canada, set to take effect July 1, will hit $12.6 billion of U.S. exports ranging from mustard to motorboats. Eamon Barrett, Fortune, "Trump's trade war comes to Wisconsin," 30 June 2018

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

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First Known Use of motorboat

1890, in the meaning defined above

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Statistics for motorboat

Last Updated

5 Dec 2018

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Time Traveler for motorboat

The first known use of motorboat was in 1890

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More Definitions for motorboat



English Language Learners Definition of motorboat

: a boat with a motor


mo·​tor·​boat | \ˈmō-tər-ˌbōt \

Kids Definition of motorboat

: an often small boat driven by a motor

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Comments on motorboat

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


to make faulty or ineffective

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