- the act of retarding or state of being retarded.
- something that retards; hindrance.
- slowness or limitation in intellectual understanding and awareness, emotional development, academic progress, etc.
- a form of suspension that is resolved upward.
- the act of retarding or the state of being retarded
- something that retards; hindrance
- the rate of deceleration
- the slowing down of mental functioning and bodily movement
