1. Marked by a ready flow of speech; fluent.
a. Turning easily on an axis; rotating.
b. Botany Twining or twisting: a voluble vine.
[Middle English, moving easily, from Old French, from Latin volūbilis, revolving, fluent, from volvere, to roll; see wel-2 in the Appendix of Indo-European roots.]
vol′u·bili·ty, volu·ble·ness n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.