Antonyms of adj siouan-speaking

1 sense of siouan-speaking

Sense 1
Siouan-speaking -- (able to communicate in a Siouan language)

INDIRECT (VIA communicative) -> uncommunicative, incommunicative -- (not inclined to talk or give information or express opinions)

Similarity of adj siouan-speaking

1 sense of siouan-speaking

Sense 1
Siouan-speaking -- (able to communicate in a Siouan language)
       => communicative (vs. uncommunicative), communicatory -- (able or tending to communicate; "was a communicative person and quickly told all she knew"- W.M.Thackeray)