Speed - definition, pronunciation, transcription
noun
- a rate (usually rapid) at which something happens (syn: fastness, swiftness)
- the ratio of the focal length to the diameter of a (camera) lens system
- a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression (syn: amphetamine, upper)
verb
- move faster (syn: accelerate, quicken, speed up)
- move very fast (syn: hurry, zip)
Extra examples
This instrument measures wind speed.
The machine was operating at high speed.
Under the right conditions the car can reach speeds over 200 miles an hour.
The vehicle maintained a speed of 40 miles per hour.
The work was done with remarkable speed.
This computer works at a much faster processing speed than my old one.
The machine chops up tree branches and leaves with speed and ease.
A group of kids sped past us on their bikes.
They jumped in the car and sped away.
A car was speeding down the street.
An ambulance sped her to the hospital.
I got pulled over twice last month because I was speeding on the highway.
He jumped into his car and sped off.
He has been speeding.
Time sped by.
Phrasal verbs
Word forms
I/you/we/they: speed
he/she/it: speeds
present participle: speeding
past tense: sped or speeded
past participle: sped or speeded
singular: speed
plural: speeds
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