adjective

southbound

SOWTH-bownd

adjective

Traveling or leading toward the south.

"The southbound lanes of the highway were backed up for miles."

How to Use Southbound

Learner’s notes

In plain EnglishHeading south — used mainly for traffic, trains, and travel routes.

Common pairings

southbound traffic southbound train

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Can you complete this real example?

The _____ lanes of the highway were backed up for miles.

From south + -bound (as in "heading toward").

pound wound sound bound found round hound mound abound ground around rebound