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noun 
  1. the state of moving quickly or the capacity for rapid motion; rapidity
  2. the rate of motion or action, specifically (math)/(physics) the magnitude of the velocity; the rate distance is traversed in a given time
  3. (photography) the sensitivity to light of film, plates.
  4. (slang) any amphetamine drug used as a stimulant, especially illegally, especially methamphetamine
  5. (archaic) luck, success, prosperity
verb (speeds, speeding, sped or speeded)
  1. (context, archaic, intransitive) To prosper, be lucky.
  2. (context, archaic, transitive) To help someone, to give them fortune.
God speed, until we meet again.
  1. To go (too) fast.
The Ferrari was speeding along the road.
  1. To exceed the speed limit.
My mum got yet another fine for speeding.
Etymology: spedOld English, spÄd, from Germanic
  • spodiz. Cognate with Dutch spoed.


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