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n. - The act of slowing down or falling behind; A decrease in rate of change; Lack of normal development of intellectual capacities; Any agent that delays or hinders; The extent to which something is delayed or held back.

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Usage examples (34)
  • Does this "prove" that mental retardation is a choice?
  • “In a world of learned ineptitude, retardation is revolutionary.”
  • Likewise mental retardation is a disorder with a biologcal cause not a choice.
  • Oh well, retardation is a birth defect, thankfully it only effects republicans. rimantas
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