Word: southbound
Part of speech: Adjective
Syllables: south
bound
Definition: Which is (or will be) travelling south.
Morphemes:
Affix: south
Language: en
PoS: Adjective
Meaning: from the south; in a southern direction
Affix: bound
Language: en
PoS: Adjective
Meaning: Ready to start or go (to); moving in the direction (of).