retardation

definition: the act of slowing down or falling behind
example:
speech part: noun
synonyms: slowdown
definition: a decrease in rate of change
example:
speech part: noun
synonyms: deceleration
definition: lack of normal development of intellectual capacities
example:
speech part: noun
synonyms: slowness mental retardation backwardness subnormality
definition: any agent that retards or delays or hinders
example:
speech part: noun
synonyms: retardant retardent
definition: the extent to which something is delayed or held back
example:
speech part: noun
synonyms:

How retardation is being used?