mobile

affording change (especially in social status)

“upwardly mobile”

migratory

“a restless mobile society”

a river in southwestern Alabama; flows into Mobile Bay

a port in southwestern Alabama on Mobile Bay

capable of changing quickly from one state or condition to another

“a highly mobile face”

having transportation available

moving or capable of moving readily (especially from place to place)

“a mobile missile system”

sculpture suspended in midair whose delicately balanced parts can be set in motion by air currents