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speed

speed

1.0
How fast someone or something moves
  • noun
  • /spiːd/
translation icon : velocidad
  • To ensure safety, drivers must adhere to the speed limits on the highway.
  • processing speed
  • speed and accuracy
  • wind speed

Now would that compromise my speed, power or strength?

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Examples

  • You want to focus on the car's speed.

  • The speed of the runner was impressive as he crossed the finish line.

  • Speed matters in sports and speed matters in business so much.

  • Those are the display, the speed and the price.

  • Here C is the wave speed in the system.

  • In particular, the time will flow with the same speed for all three friends.

    Academic text (2017)
  • The purpose of this lesson was to help students gain speed and accuracy in reading phrases.

    Academic text (2015)
  • Late Victorian trains in England were excellent for speed and reliability, if not for comfort.

    Academic text (2008)
  • A global dimension of processing speed was also found in adults with typical reading scores.

    Academic text (2011)
  • Children with poor reading scores showed lower speed factor scores than did typical peers.

    Academic text (2011)

Synonyms

rate
vsspeed
2.1

The speed or amount at which something happens over time

focuses on the general idea of how quickly something occurs rather than measurement
pace
vsspeed
409 2.0

How fast someone or something moves

is the general measurement of how quickly things move or operate
velocity
vsspeed
  • Specialized
154 4.5

How fast something moves in a certain direction

applies to how fast motion is without mentioning direction
quickness
vsspeed
11 2.8

Ability to move the body very fast and with good control

refers to simple rapidity of action without implying agility
fast pace
vsspeed
10 2.5

A speed that is quicker than usual for a task or activity

is the neutral measure of how quickly something moves or proceeds
rapid pace
vsspeed
6 2.9

A speed of progress much faster than usual

is the ordinary concept for how quickly something moves or occurs
rapidity
vsspeed
6 4.6

Very fast movement, action, or change

is the neutral term for how quickly something moves or happens
swiftness
vsspeed
5 2.9

Great speed in moving or acting

is the broad measure of how quickly things happen, not tone
speediness
vsspeed
2.8

How fast something happens or is done

describes the basic concept of how quickly things move or work
rapidness
vsspeed
3.6

The speed at which something moves or happens

is the general idea of how quickly an action or event happens

Antonyms

5 1.1

A state when something moves or happens less quickly than usual

4 4.4

A state of being slow and having little energy

Idioms

full speed ahead
  • Informal
5 3.7

Go forward very quickly with strong effort

Compounds

100 3.2

Able to work or move much faster than normal

60 1.0

The fastest speed cars are allowed to drive on a road

speed of light
  • Specialized
43 3.8

A constant speed at which light travels in empty space, about 300,000 kilometres per second

20 3.7

How fast a vehicle or person can move

light speed
  • Specialized
8 5.0

The speed that light travels in empty space

7 2.5

A raised strip across a road that makes cars slow down

Very fast movement that happens almost instantly

speed bump
  • Informal
5 3.2

A problem that slows progress in a project

5 3.8

A place on a road where police hide to catch drivers going too fast

A phrase used to say something happens very fast

A sport where people race on ice skates around an oval track to get the fastest time

3 3.0

A person who races fast on ice around an oval track

super-speed
  • Literature
3 8.0

Ability to move much faster than a normal person

speed freak
  • Offensive
2 9.6

A person who often uses drugs that make you more active, like amphetamines

speed demon
  • Informal
2 6.9

A person who drives very fast, often breaking speed limits

Reading text much faster than usual while still understanding it

1 7.6

A baseball throw slower than a fastball that fools the batter

A device that shows how fast a car or other vehicle is moving

execution speed
  • Specialized
1 4.9

How fast a computer or processor runs instructions

high-speed steel
  • Specialized
1 5.3

A very hard metal used for cutting tools that stays hard when hot

1 4.2

A police officer who patrols roads to catch drivers going too fast

relative speed
  • Specialized
4.1

How fast one object moves compared to another, for example two cars

speed merchant
  • Informal
7.0

A person who drives very fast, often in cars

speed frame
  • Specialized
8.5

A machine that pulls and slightly twists fibers to make a loose rope for spinning

An ice skate with a long straight blade for fast racing on ice

How Fast

sprint
55 2.1
speed
1.0
crawl
23 1.2

Surface Forms

speed singular
speeds plural

Etymology

Speed comes from the Old English spēd, which meant 'success' or 'good fortune' and from the verb spēdan 'to prosper'. Over time the idea moved from 'things going well' to 'things happening quickly', so speed now means how fast something moves.