postindustrial Syllabification: (post·in·dus·tri·al)Pronunciation: /ˌpōstinˈdəstrēəl/Definition of postindustrial adjective of or relating to an economy that no longer relies on heavy industry:a postindustrial societyDerivatives postindustrialismPronunciation: /-ˌlizəm/ noun postindustrial in other Oxford dictionaries Definition of postindustrial in the British & World English dictionary