“speed”

Definitions

• noun

  distance travelled per unit time

  Synonyms: velocity, benzedrine, c, dexamyl, dexedrine, methedrine, abruptness, accelerate, advance, advantage, aid, alacrity

• noun

  a rate (usually rapid) at which something happens

  Synonyms: swiftness, fastness

  • Example:“The project advanced with gratifying speed.”

• noun

  changing location rapidly

  Synonyms: speeding, hurrying

• noun

  the ratio of the focal length to the diameter of a (camera) lens system

  Synonyms: focal ratio, f number, stop number

• noun

  a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression

  Synonyms: amphetamine, pep pill, upper

• verb

  move hurridly

  Synonyms: rush, hotfoot, hasten, hie, race, pelt along, rush along, cannonball along, bucket along, belt along

  • Example:“He rushed down the hall to receive his guests.”
  • Example:“The cars raced down the street.”