1. the direction that is halfway between south and west
2. the southwestern part of a country or region

1. located in, coming from, or facing the southwest

1. toward or in the southwest direction

Examples

• The compass needle pointed southwest.
• They moved to the Southwest after retirement.
• A southwest wind brought warm air from the desert.
• The southwest corner of the building gets afternoon sun.
• The birds migrate southwest in winter.
• Drive southwest on Highway 10 for fifty miles.
• The Southwest is known for its distinctive architecture.