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Definitions

speed

[speed] / spid /
NOUN
rate of motion, often a high rate
Synonyms
STRONGEST
acceleration agility momentum pace quickness velocity
STRONG
activity alacrity breeze briskness celerity clip dispatch eagerness expedition fleetness gait haste headway hurry hustle legerity lick liveliness precipitancy precipitation promptitude promptness rapidity rapidness readiness rush rustle snap steam swiftness urgency
Antonyms
STRONG
apathy delay hindrance rest slowing slowness sluggishness stoppage
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.

Freiha thinks Blank Street’s speed can help it compete in the L.A. region’s competitive coffee and matcha scene.

From Los Angeles Times • Apr. 10, 2026

People don’t move at the same speed: Some adopt these processes quickly.

From MarketWatch • Apr. 10, 2026

"I've never lost my speed of reactions. I've still got it – 100%," he added.

From BBC • Apr. 9, 2026

From the 1990s onward—and particularly after the 2008 financial crisis, as central banks flooded markets with liquidity—the industry expanded at extraordinary speed.

From The Wall Street Journal • Apr. 9, 2026

“Jumping Jehoshaphat, Nell!” boomed Mr. Pinkerton as we picked up speed.

From "The Detective's Assistant" by Kate Hannigan

Vocabulary lists containing speed

Word Generation Science - Measurement

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Conservation of Energy and Energy Transfer - Introductory

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Force and Motion (Mechanics) - Middle School

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!