retardation

~ 21 words related to retardation as Noun.

1. deceleration
2. slowing
3. speed
4. swiftness
5. fastness
6. delay
7. hold
8. time lag
9. postponement
10. wait
11. retardant
12. retardent
13. agent
14. mental retardation
15. backwardness
16. slowness
17. subnormality
18. stupidity
19. slowdown
20. lag
21. holdup