filename: meaning, definition, pronunciation and examples
C1Technical/General IT; Neutral in computing contexts.
Quick answer
What does “filename” mean?
The name given to a computer file, used to identify and locate it within a file system.
Audio
Pronunciation
Definition
Meaning and Definition
The name given to a computer file, used to identify and locate it within a file system.
The complete specification of a file, which may include its name, a dot, and an extension (e.g., .txt, .jpg) indicating the file type. In broader contexts, it can refer to the label or identifier for any stored digital object.
Dialectal Variation
British vs American Usage
Differences
No significant semantic difference. The compound spelling as a single word ('filename') or hyphenated ('file-name') was once variable but 'filename' is now overwhelmingly standard in both regions. The term is fully integrated.
Connotations
Neutral, purely functional term in both varieties.
Frequency
Equally common and standard in technical, business, and everyday computing contexts in both the UK and US.
Grammar
How to Use “filename” in a Sentence
The filename [must be/has to be/should be] unique.Please [save the document with/use] a descriptive filename.The system [rejected/accepts] the filename.Vocabulary
Collocations
Examples
Examples of “filename” in a Sentence
verb
British English
- You need to filename that report clearly before uploading it.
- I'll filename the backups with today's date.
American English
- Make sure you filename the invoice correctly.
- The script will automatically filename the new images.
adjective
British English
- The filename extension was .docx.
- We have a filename convention for all projects.
American English
- Check the filename properties for details.
- A filename conflict occurred during the copy.
Usage
Meaning in Context
Business
Essential for document management and version control (e.g., 'Use the project code in the filename').
Academic
Used for organising research data, code, and papers (e.g., 'The dataset filename must follow the agreed convention').
Everyday
Common when saving photos, documents, or downloading files (e.g., 'I can't open it because the filename has weird characters').
Technical
A core concept in programming, system administration, and data science (e.g., 'The script parses the filename to extract the timestamp').
Vocabulary
Synonyms of “filename”
Strong
Neutral
Weak
Vocabulary
Antonyms of “filename”
Watch out
Common Mistakes When Using “filename”
- Misspelling as 'file name' in contexts where the single-word form is standard in style guides.
- Confusing 'filename' with 'file path' or 'directory'.
- Using illegal characters (e.g., \ / : * ? " < > |) in a filename.
FAQ
Frequently Asked Questions
In modern computing terminology, it is almost universally written as one word: 'filename'. The hyphenated form 'file-name' is now archaic.
The filename is the full name of the file. The file extension is the part after the final dot (e.g., '.txt' in 'report.txt') and typically indicates the file type or format. The extension is a component of the filename.
Yes. Operating systems impose rules: characters like \ / : * ? " < > | are usually prohibited; length limits may apply; and some names may be reserved (e.g., 'CON', 'AUX' in Windows). Case sensitivity varies (Linux is case-sensitive; Windows is generally not).
No. Within the same directory (folder), filenames must be unique to avoid conflicts. However, files with the same name can exist in different folders.
The name given to a computer file, used to identify and locate it within a file system.
Filename is usually technical/general it; neutral in computing contexts. in register.
Filename: in British English it is pronounced /ˈfaɪlneɪm/, and in American English it is pronounced /ˈfaɪlneɪm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[It's/That's] just a filename. (Downplaying the importance of a name versus content)”
Learning
Memory Aids
Mnemonic
Think of a physical FILE in a cabinet. Its NAME is on the tab. A computer 'filename' serves the same purpose.
Conceptual Metaphor
A DIGITAL LABEL or TAG. A FILENAME IS AN ADDRESS for a file.
Practice
Quiz
What is the primary function of a filename?