speedboating

Related to speedboating: powerboat, Motor boats

speed·boat·ing

 (spēd′bō′tĭng)
n.
The act or sport of operating a speedboat.

speed′boat′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.