Flowing or capable of flowing; having a flowing motion, or an appearance as of flowing; changeable; not rigid.Ready in the use of words; using words with facility; voluble: as, a fluent speaker or writer.Proceeding from a facility of ready copious speech; marked by copiousness of speech: as, fluent utterance; a fluent style.n. A stream; a current of water.n. In the doctrine of fluxions, the variable or flowing quantity in fluxions which is continually increasing or decreasing; an integral. See fluxion.In fluxions, enlarging (or diminishing) continuously, that is, by infinitesimal increments (+ or —).