Antonyms of adj southbound

1 sense of southbound

Sense 1
southbound, southward -- (moving toward the south; "a southbound train")

INDIRECT (VIA south) -> north -- (situated in or facing or moving toward or coming from the north; "artists like north light"; "the north portico")

Similarity of adj southbound

1 sense of southbound

Sense 1
southbound, southward -- (moving toward the south; "a southbound train")
       => south (vs. north) -- (situated in or facing or moving toward or coming from the south; "the south entrance")