self-propelling
1. [ adjective ] containing within itself the means of propulsion or movement
Synonyms: self-propelled automotive
Examples:

"a self-propelled vehicle"

Related terms: moving
2. [ adjective ] moved forward by its own force or momentum
Synonyms: self-propelled
Examples:

"a self-propelled egotist" "the arms program is now self-propelled"

Related terms: dynamic
Similar spelling:   self-propelled
  self-respecting
  self-protection
  self-produced