Overview of noun speed

The noun speed has 5 senses

• speed, velocity -- (distance travelled per unit time)


• speed, swiftness, fastness -- (a rate (usually rapid) at which something happens; "the project advanced with gratifying speed")


• speed, speeding, hurrying -- (changing location rapidly)


• focal ratio, f number, stop number, speed -- (the ratio of the focal length to the diameter of a (camera) lens system)


• amphetamine, pep pill, upper, speed -- (a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression)

Overview of verb speed

The verb speed has 5 senses

• rush, hotfoot, hasten, hie, speed, race, pelt along, rush along, cannonball along, bucket along, belt along, step on it -- (move fast; "He rushed down the hall to receive his guests"; "The cars raced down the street")


• accelerate, speed up, speed, quicken -- (move faster; "The car accelerated")


• travel rapidly, speed, hurry, zip -- (move very fast; "The runner zipped past us at breakneck speed")


• speed -- (travel at an excessive or illegal velocity; "I got a ticket for speeding")


• accelerate, speed, speed up -- (cause to move faster; "He accelerated the car")