Antonyms of adj immobile

2 senses of immobile

Sense 1
immobile (vs. mobile) -- (not capable of movement or of being moved)

mobile (vs. immobile) -- (moving or capable of moving readily (especially from place to place); "a mobile missile system"; "the tongue is...the most mobile articulator")
        => airborne -- (moved or conveyed by or through air)
        => ambulant, ambulatory -- (able to walk about; "the patient is ambulatory")
        => floating -- (inclined to move or be moved about; "a floating crap game")
        => maneuverable, manoeuvrable -- (capable of maneuvering or changing position; "a highly maneuverable ship")
        => mechanized, mechanised, motorized -- (using vehicles; "motorized warfare")
        => motile -- ((of spores or microorganisms) capable of movement)
        => movable, moveable, transferable, transferrable, transportable -- (capable of being moved or conveyed from one place to another)
        => perambulating -- (strolling or walking around; "perambulating nursemaids with their charges")
        => racy -- (designed or suitable for competing in a race)
        => raisable, raiseable -- (capable of being raised; "the roadster had a raisable sunroof")
        => rangy -- (adapted to wandering or roaming)
        => rotatable -- (capable of being rotated; "the theater had a rotatable stage")
        => seaborne -- (conveyed by sea)
        => transplantable -- (capable of being transplanted)
        => versatile -- (able to move freely in all directions; "an owl's versatile toe can move backward and forward"; "an insect's versatile antennae can move up and down or laterally"; "a versatile anther of a flower moves freely in the wind")
        => waterborne -- (transported by water; "waterborne freight")

Sense 2
fast, firm, immobile -- (securely fixed in place; "the post was still firm after being hit by the car")

INDIRECT (VIA fixed) -> unfixed -- (not firmly placed or set or fastened)

Similarity of adj immobile

2 senses of immobile

Sense 1
immobile (vs. mobile) -- (not capable of movement or of being moved)
       => immovable, immoveable, stabile, unmovable -- (not able or intended to be moved; "the immovable hills")
       => nonmotile, immotile -- ((of spores or microorganisms) not capable of movement)
       => stiff -- (not moving or operating freely; "a stiff hinge")
          Also See-> nonmoving#1, unmoving#1

Sense 2
fast, firm, immobile -- (securely fixed in place; "the post was still firm after being hit by the car")
       => fixed (vs. unfixed) -- (securely placed or fastened or set; "a fixed piece of wood"; "a fixed resistor")