Capable of being protruded or stretched or opened out:
— An extensile tongue.

synonym: extensible.

Roget 324: soft, tender, supple; pliant, pliable; flexible, flexile; lithe, lithesome; lissom, limber, plastic; ductile; tractile^†, tractable; malleable, extensile, sequacious^†, inelastic; aluminous^†; remollient^†.    yielding etc. v.; flabby, limp, flimsy.    doughy, spongy, penetrable, foamy, cushiony^†.    flaccid, flocculent, downy; edematous, oedematous^†, medullary [Anat.], argillaceous, mellow.    soft as butter, soft as down, soft as silk; yielding as wax, tender as chicken.    ... show more

Polish: rozsuwany