adj. 25B6; adjective
a fluent speech : ARTICULATE, eloquent, expressive, communicative, coherent, cogent, illuminating, vivid.
fluent in French : ARTICULATE; ( be fluent in ) have a (good) command of.
a very fluent running style : FREE-FLOWING, smooth, effortless, easy, natural, fluid; graceful, elegant; regular, rhythmic.
inarticulate, jerky.