Voluble

Easily rolling or turning; easily set in motion; apt to roll; rotating; as, voluble particles of matter.

Moving with ease and smoothness in uttering words; of rapid speech; nimble in speaking; glib; as, a flippant, voluble, tongue.

Changeable; unstable; fickle.

Having the power or habit of turning or twining; as, the voluble stem of hop plants.