RETARDATION

• (noun) the act of slowing down or falling behind

  synonyms : lag , slowdown

• (noun) a decrease in rate of change

  "the deceleration of the arms race"

  synonyms : deceleration , slowing

• (noun) lack of normal development of intellectual capacities

  synonyms : backwardness , mental retardation , slowness , subnormality

• (noun) any agent that retards or delays or hinders

  "flame-retardant"

  synonyms : retardant , retardent

• (noun) the extent to which something is delayed or held back

WordNet® 3.0, © 2006 by Princeton University.

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