Midwest

geographical name

Mid·​west ˌmid-ˈwest 

variants or Middle West

region of indefinite boundaries in the north central U.S. including the area around the Great Lakes and the upper Mississippi River valley

—often considered to include the area from Michigan, Ohio, and sometimes Kentucky on the east to North Dakota, South Dakota, Nebraska, and Kansas on the west

Midwestern

ˌmid-ˈwe-stərn 

adjective

or Middle Western

Midwesterner

ˌmid-ˈwe-stər-nər 

-ˈwe-stə-

noun

or Middle Westerner