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retardation

English

  1. 🔊 lack of normal development of intellectual capacities
  2. 🔊 the extent to which something is delayed or held back
  3. 🔊 the act of slowing down or falling behind
  4. 🔊 a decrease in rate of change
    “the deceleration of the arms race”
  5. 🔊 any agent that retards or delays or hinders
    “flame-retardant”

Similar words

slowdown lag deceleration slowing mental retardation backwardness slowness subnormality retardant retardent afterthought amentia arrest arrestation arrested development arrestment backwardness bind blithering idiocy block blockage blocking bureaucratic delay check