self-propelled

Adjective (2)

1. containing within itself the means of propulsion or movement“a self-propelled vehicle”Synonyms: automotiveself-propellingOpposite nonmovingSimilar moving
2. moved forward by its own force or momentum“a self-propelled egotist”“the arms program is now self-propelled”Synonyms: self-propellingOpposite adynamicSimilar dynamic, dynamical