retropulsion /ret-rō-pulˈshən/

1. Pushing backwards
2. A tendency to fall backwards experienced by some people with Parkinson's disease

retropulˈsive adjective

• rout
• rout-cake
• route
• routed
• routeing
• routeman
• route march
• route marches
• routemen
• route one
• route-proving flight
• route-proving flights
• router
• routers
• routes
• route-step
• route-steps
• routh
• routhie
• routhier
• routhiest
• rouths
• routine
• routineer
• routineers