Formed so as to roll with ease, or to be easily set in motion; apt to roll; as voluble particles of matter.

Rolling; having quick motion. This less voluble earth.

Nimble; active; moving with ease and smoothness in uttering words; fluent; as a flippant, voluble tongue.

Fluent; flowing with ease and smoothness; as a voluble speech.

Having fluency of speech. Cassio, a knave very voluble.