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Synonyms

sped

American  
[sped] / spɛd /

verb

  1. a simple past tense and past participle of speed.

sped British  
/ spɛd /

verb

  1. a past tense and past participle of speed

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

NASA’s Artemis II mission sped off to the moon Wednesday, and the space agency hopes eventually to build a permanent moon base.

From The Wall Street Journal • Apr. 4, 2026

In animal models of human breast cancer, the presence of this bacterium sped up tumor growth and increased the spread of cancer cells from the breast to the lungs.

From Science Daily • Mar. 19, 2026

Authorities have deployed more ferries and sped up loading and unloading procedures try and ease the congestion, the transport ministry said Monday.

From Barron's • Mar. 17, 2026

Getting an affirmative answer, she told the man, “Thank you,” then rolled up her window and sped away, leaving him in the dust.

From Los Angeles Times • Mar. 4, 2026

They jumped into their canoe and sped off.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.