Definitions for: Northwestern

[adj] of a region of the United States generally including Washington; Oregon; Idaho; and sometimes Montana; Wyoming
[adj] situated in or oriented toward the northwest

Webster (1913) Definition: North`west"ern, a.
Of, pertaining to, or being in, the northwest; in a direction
toward the northwest; coming from the northwest;
northwesterly; as, a northwestern course.

Synonyms: north, northwest, northwesterly, western