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speedboat

[ speed-boht ]
/ ˈspidˌboʊt /
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noun

a motorboat designed for high speeds.

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Origin of speedboat

1910–15; speed + boat
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for speedboat

speedboat
/ (ˈspiːdˌbəʊt) /

noun

a high-speed motorboat having either an inboard or outboard motor
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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