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nounany agent that retards or delays or hinderstype of:
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nounlack of normal development of intellectual capacitiestype of:
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nouna decrease in rate of change
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nounthe act of slowing down or falling behind
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nounthe extent to which something is delayed or held backtype of:
Words sounding like good retardation
station situation information operation conversation investigation vacation nation location education generation reputation imagination explanation invitation population medication foundation communication graduation creation celebration combination destination association translation application administration relation inspiration