Pronunciation IPA (key): /ˈwɜːld ˌwaɪd ˈwɛb/ or UK IPA (key): /ˈwɝld ˌwaɪd ˈwɛb/ or US Audio (US)(file) Proper noun Proper noun World Wide Web A system of websites, and a large part of the Internet. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads