Home›Browse›S›suburban sprawlsuburban sprawlOur editors are putting together more complete content — check back in about 20 minutessuburban sprawlsuburban sprawl — nounnoun1. the uncontrolled expansion of urban areas into the countryside1.nounDefinitionthe uncontrolled expansion of urban areas into the countrysideExampleSuburban sprawl has led to longer commutes and loss of farmland.