retardation   (TTS Sound)

The noun retardation has 5 senses

• deceleration, slowing, retardation -- (a decrease in rate of change; "the deceleration of the arms race")


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


• retardant, retardent, retardation -- (any agent that retards or delays or hinders; "flame-retardant")


• retardation, mental retardation, backwardness, slowness, subnormality -- (lack of normal development of intellectual capacities)


• slowdown, lag, retardation -- (the act of slowing down or falling behind)