groundswell Syllabification: (ground·swell)Pronunciation: /ˈgroun(d)ˌswel/Definition of groundswell noun [in singular] 1a buildup of opinion or feeling in a large section of the population:an unexpected groundswell of opposition developed 2a large or extensive swell in the sea. groundswell in other Oxford dictionaries Definition of groundswell in the British & World English dictionary
