Speed Definition
spēd
sped, speeded, speeding, speeds
noun
speeds
The rate of movement or motion; velocity.
Webster's New World
The act or state of moving rapidly; swiftness; quick motion.
Webster's New World
The rate or rapidity of any action.
Reading speed.
Webster's New World
The state of being in rapid motion; rapidity.
The river's speed made a rescue difficult.
American Heritage
The magnitude of a velocity.
Webster's New World
Synonyms:
Antonyms:
- amble
- dilatoriness
- dilatoriness. See syn. study at haste.haste
- tardiness
- slowness
verb
sped, speeded, speeding, speeds
To move rapidly, esp. more rapidly than is safe or allowed by law.
Webster's New World
To go, move, or proceed quickly.
Sped to the rescue.
American Heritage
To drive at a speed exceeding a legal limit.
Was speeding on the freeway.
American Heritage
To wish Godspeed to.
To speed the parting guest.
Webster's New World
To pass quickly.
The days sped by. The months have sped along.
American Heritage
Synonyms:
- quicken
- speed-up
- accelerate
- hie
- hotfoot
- step-on-it
- belt along
- bucket along
- cannonball along
- rush-along
- pelt along
- race
- hasten
- rush
- zip
adjective
Of or having to do with speed.
Webster's New World
pronoun
A surname.
Wiktionary
idiom
up to speed
- Fully informed; conversant:
I'm not up to speed on these issues yet.
American Heritage
at speed
- quickly; rapidly
Webster's New World
speed up
- to increase in speed; go or make go faster; accelerate
Webster's New World
up to speed
- working or operating at full speed, maximum efficiency, etc.
- fully informed or having enough information
Webster's New World
Idioms, Phrasal Verbs Related to Speed
Find Similar Words
Find similar words to speed using the buttons below.