Meanings
nounlong filename (plural long filenames)
plural long filenames · alternative long file name
- chiefly Microsoft WindowscomputingA filename in which the name, the file extension, or both exceed(s) the length permitted by the 8.3 filename format.
Synonyms: LFN · Antonyms: short filename
Synonyms & antonyms
nounA filename in which the name, the file extension, or both exceed(s) the length permitted by the 8.3 filename format.
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Opposite
Cite this entry
APA
long filename. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/long%20filename
MLA
“long filename.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/long%20filename. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “long filename,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/long%20filename.
Source: long filename on Wiktionary, CC BY-SA 4.0.