retardation
(noun)
noun
1. a decrease in rate of change
Similar word(s): deceleration, slowing
Definition categories: attribute, alteration, change, modification
2. the extent to which something is delayed or held back
Definition categories: time, delay, hold, postponement, wait
3. any agent that retards or delays or hinders
- flame-retardant
Similar word(s): retardant
Definition categories: object, agent
4. lack of normal development of intellectual capacities
Similar word(s): backwardness, slowness, subnormality
Definition categories: thought, stupidity
5. the act of slowing down or falling behind