of or characteristic of regions of the United States west of the Mississippi River
is similar to
of a region of the United States generally including New Mexico; Arizona; Texas; California; and sometimes Nevada; Utah; Colorado
is similar to
of a region of the United States generally including Ohio; Indiana; Illinois; Iowa; Missouri; Kansas; Nebraska; and sometimes Michigan; Wisconsin; Minnesota
"a midwestern city"; "midwestern accent"
is similar to
of a region of the United States generally including Washington; Oregon; Idaho; and sometimes Montana; Wyoming
is similar to
of a region of the United States usually including Colorado; Nevada; Utah
is an attribute of
the region of the United States lying to the west of the Mississippi River