Of, facing, situated in, or related to the north-west(adjective)
Blowing from the north-west; north-westerly(adjective)
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Use "north-western" in a sentence
"Australian-born novelist Jules Watson established a reputation as an exciting new writer of Celtic historical fiction with her Dalriada Trilogy, set amidst the conflict between Picts, Romans and Gaels in what is now north-western Scotland."
"The Tijuana cartel controls the north-western part of Mexico and the smuggling routes into San Diego."
"Book Description: Set in north-western Queensland, in the precariously settled coastal town of Desperance, Carpentaria paints a portrait of the powerful Phantom family, leader of the Westend Pricklebush people, the land's original inhabitants."