1. traveling or heading toward a lower place, especially downstream or toward the south
Usage: commonly used in nautical and transportation contexts

Examples

• The downbound train departs at 3 p.m. from the central station.
• Downbound traffic on the river increased after the spring thaw.
• We took the downbound flight to Miami.
• The downbound ship navigated carefully through the narrow channel.
• Downbound commuters filled the platform during rush hour.