Word family noun south southerner adjective south southerly southern southbound southernmost adverb south southward(s) southbound
From Longman Dictionary of Contemporary Englishsouthboundsouth‧bound /ˈsaʊθbaʊnd/ adjective, adverb TTCtravelling or leading towards the south southbound traffic The southbound lanes are closed. The car was last seen traveling southbound on I-35.Examples from the Corpus
southbound• The car was driving southbound on Route 43.• southbound traffic