Definitions

sped

[sped] / spɛd /

VERB

move along quickly

Synonyms

STRONGEST

advance boost expedite facilitate fly further hasten help hurry promote quicken ride run rush zoom

STRONG

aid assist barrel belt bomb career dispatch flash gallop hightail impel race sail spring tear urge whiz

WEAK

bowl over cover ground cut along gather momentum gear up get a move on get moving get under way go all out go fast go like the wind lose no time make haste open up throttle press on step on it

Antonyms

STRONGEST

block cease check decrease delay halt hinder hurt obstruct prevent procrastinate rest retard slow stop walk

STRONG

dissuade

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

Early winter rains followed by multiple heat waves sped up the timeline of spring’s arrival in Los Angeles well ahead of its official start on Friday.

From Los Angeles Times • Mar. 17, 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

They immediately drove off a wave of Pelicarnassus’s mini-jets, which sped back toward the vent they must have flown in through.

From "Chronicles of a Lizard Nobody" by Patrick Ness