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Definition of speed

Definition of Speed found at:

Wordnet English Dictionary

distance travelled per unit time
a rate (usually rapid) at which something happens; "the project advanced with gratifying speed"
changing location rapidly
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
move fast; "He rushed down the hall to receive his guests"; "The cars raced down the street"
move faster; "The car accelerated"
move very fast; "The runner zipped past us at breakneck speed"
travel at an excessive or illegal velocity; "I got a ticket for speeding"
cause to move faster; "He accelerated the car"

Wordnet English Thesaurus

velocity, rate, pace, tempo, quickness, swiftness, rapidity, celerity, alacrity, haste, hurry, dispatch, rush, acceleration
race, tear, belt, zoom, career, bowl along, sprint, gallop, hurry, rush, hasten, accelerate, quicken, put one's foot down, step on it
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