Antonyms of adj well-spoken

1 sense of well-spoken

Sense 1
well-spoken -- (speaking or spoken fittingly or pleasingly; "a well-spoken gentleman"; "a few well-spoken words on civic pride")

INDIRECT (VIA articulate) -> inarticulate, unarticulate -- (without or deprived of the use of speech or words; "inarticulate beasts"; "remained stupidly inarticulate and saying something noncommittal"; "inarticulate with rage"; "an inarticulate cry")

Similarity of adj well-spoken

1 sense of well-spoken

Sense 1
well-spoken -- (speaking or spoken fittingly or pleasingly; "a well-spoken gentleman"; "a few well-spoken words on civic pride")
       => articulate (vs. inarticulate) -- (expressing yourself easily or characterized by clear expressive language; "articulate speech"; "an articulate orator"; "articulate beings")