Added 9 October 2026 subdirectory noun Categories: LanguageRare Words noun ! Definition from Wiktionary (CC BY-SA). More about subdirectory at Wordnik → Where our words come from → A directory located inside another directory. Related Words: directorysubdirsuperdirectorysubfoldersubpathsubcachesuperfoldersubnamespacerootsubsecretsubprogram Back to today's word