Illinoisan

noun

Il·li·nois·an ˌi-lə-ˈnȯi-ən

also -ˈnȯi-zᵊn

plural Illinoisans

: a native or resident of Illinois

Illinoisan adjective

Word History

First Known Use

1835, in the meaning defined above

Time Traveler

The first known use of Illinoisan was in 1835

See more words from the same year

Cite this Entry

Style

“Illinoisan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Illinoisan. Accessed 13 Mar. 2026.

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Last Updated: 24 Feb 2026 - Entry added

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