Noah Webster's Dictionary 1. (a.) Ready in the use of words or languages; as, a fluent speaker; hence, flowing; voluble; smooth; -- said of language; as, fluent speech. 2. (a.) Flowing or capable of flowing; liquid; easily moving. 3. (n.) A current of water; a stream. 4. (n.) A variable quantity, considered as increasing or diminishing; -- called, in the modern calculus, the function or integral.

Multi-Version Concordance Fluent (1 Occurrence) Isaiah 32:4 The man of sudden impulses will become wise in heart, and he whose tongue is slow will get the power of talking clearly. (See NIV)