Meanings
proper noun
- One of 66 counties in South Dakota, United States. County seat: Onida.
Origin
Named after Alfred Sully.
Full word history & related roots →Cite this entry
APA
Sully County. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Sully%20County
MLA
“Sully County.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Sully%20County. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “Sully County,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Sully%20County.
Source: Sully County on Wiktionary, CC BY-SA 4.0.