speed

Meanings

• 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
• move faster
• 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

Synonyms

accelerate, amphetamine, belt along, bucket along, cannonball along, f number, fastness, focal ratio, hasten, hie, hotfoot, hurry, hurrying, pelt along, pep pill, quicken, race, rush, rush along, speed up, speeding, step on it, stop number, swiftness, travel rapidly, upper, velocity, zip