a decrease in rate of change; the deceleration of the arms race

[ Syn: deceleration , slowing ]

the extent to which something is delayed or held back

any agent that retards or delays or hinders; flame-retardant

[ Syn: retardant , retardent ]

lack of normal development of intellectual capacities

[ Syn: mental retardation , backwardness , slowness , subnormality ]

the act of slowing down or falling behind

[ Syn: slowdown , lag ]