| deceleration |
| lag(noun, time, help, check, delay) |
| slowdown(noun, decrease, off) |
| slowing(noun, slow-down) |
| delay(noun, time, help, check, disorder) |
| hindrance(noun, support, check, disorder, delay) |
| obstruction(noun, support, check, disorder, delay) |
| slowness(noun, slowness, tardiness, underdevelopment, unpunctuality) |
| backwardness |
| check(noun, verb, support, disorder, delay) |
| impediment(noun, support, check, disorder, delay) |
| mental retardation(noun, expression, idiom) |
| retardment(noun, check, disorder, delay, stay) |
| stoppage(noun, check, disorder, delay, stay) |
| detainment(noun, time, help, check, delay) |
| detention(noun, support, check, delay, fight) |
| holdup(noun, time, help, check, delay) |
| inhibition(noun, weakness, hindrance, impairment, disablement) |
| interruption(noun, delay, decrease, stay, wait) |
| resistance(noun, conflict, opposition, obstruction, fighting) |