Added 9 October 2026 windows /ˈwɪndəʊz/ noun Categories: LanguageEveryday Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about windows at Wordnik → Where our words come from → (trademark) an operating system with a graphical user interface. Related Words: windowpanetaskbarmicrosoftupstimeswinexhaustwellspanesabmsatmscounters Back to today's word