retropulsion /ret-rō-pulˈshən/

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

retropulˈsive adjective

• unsure
• unsured
• unsurer
• unsurest
• unsurfaced
• unsurmised
• unsurmountable
• unsurpassable
• unsurpassably
• unsurpassed
• unsurprised
• unsurprising
• unsurprisingly
• unsurveyed
• unsusceptible
• unsuspect
• unsuspected
• unsuspectedly
• unsuspectedness
• unsuspectednesses
• unsuspecting
• unsuspectingly
• unsuspectingness
• unsuspended
• unsuspicion