a motorboat designed for high speeds.

Origin of speedboat

1910–15; speed boat + -ing1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for speedboat

hydrofoil, hydroplane, speedboat

Examples from the Web for speedboat

Contemporary Examples of speedboat

Historical Examples of speedboat

  • They disclosed this when Miss Mines brought the speedboat down.

    The Star Hyacinths

    James H. Schmitz

  • He dropped them at the speedboat with a plea to be careful, then headed back to the office.

    Smugglers' Reef

    John Blaine

  • The speedboat was there, and so was the Scuba cart, but the rowboat wasn't.

  • As they made their way back to the speedboat, Rick spoke his thoughts aloud.

  • She laughed at the thought of a speedboat on their tiny lake.

British Dictionary definitions for speedboat



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