voluble

adjective4

1. •
   Fluent or having a ready flow of speech.

   • A most acute Iuuvenal, voluble and free of grace, […] — 1595
2. •
   Of thoughts, feelings, or something that is expressed: expressed readily or at length and in a fluent manner.

   • He heard[…]the voice of the drunken woman, now sober, poured out in voluble remorse, and in voluble promise of amendment for the future, to every one who passed, if they would let her off easy. — 1886
3. •
   Easily rolling or turning; having a fluid, undulating motion.

   • Seen from the west, their sky-line gallops away north and south like a sea-serpent in voluble motion. — 1935
4. •
   Twisting and turning like a vine.