Synonyms and Antonyms for siouan

2. Siouan (n.)

a member of a group of North American Indian peoples who spoke a Siouan language and who ranged from Lake Michigan to the Rocky Mountains

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3. Siouan (adj.)

of or relating to the Sioux people or their language and culture

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4. Siouan-speaking (adj.)

able to communicate in a Siouan language

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