Added 10 October 2026 filename /ˈfaɪ.əl.neɪm/ noun Categories: LanguageRare Words noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about filename at Wordnik → Where our words come from → The name assigned to a file in a file system. Origin From file + name. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: filearchivenumbernamerosterbehalfpathpathnamefilepathbasenamestemslug Back to today's word