- inarticulate, unarticulate - without or deprived of the use of speech or words; "inarticulate beasts"; "remained stupidly inarticulate and saying something noncommital"; "inarticulate with rage"; "an inarticulate cry"
Antonyms: articulate, articulated, eloquent, facile, fluent, silver, silver-tongued, smooth-spoken, pronounced, speaking, speech-endowed, well-spoken