Synonyms of speed

1. speed, velocity, rate: usage: distance travelled per unit time
2. speed, swiftness, fastness, pace, rate: usage: a rate (usually rapid) at which something happens; "the project advanced with gratifying speed"
3. speed, speeding, hurrying, motion, movement, move: usage: changing location rapidly
4. focal ratio, f number, stop number, speed, ratio: usage: the ratio of the focal length to the diameter of a (camera) lens system
5. amphetamine, pep pill, upper, speed, stimulant, stimulant drug, excitant, drug of abuse, street drug: usage: a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression

1. rush, hotfoot, hasten, hie, speed, race, pelt along, rush along, cannonball along, bucket along, belt along, step on it, travel, go, move, locomote: usage: move fast; "He rushed down the hall to receive his guests"; "The cars raced down the street"
2. accelerate, speed up, speed, quicken, intensify, deepen: usage: move faster; "The car accelerated"
3. travel rapidly, speed, hurry, zip, travel, go, move, locomote: usage: move very fast; "The runner zipped past us at breakneck speed"
4. speed, travel, go, move, locomote: usage: travel at an excessive or illegal velocity; "I got a ticket for speeding"
5. accelerate, speed, speed up, change, alter, modify: usage: cause to move faster; "He accelerated the car"