unzip
B1Neutral
Definition
Meaning
To open something by pulling apart the two sides of a fastener (a zipper).
To decompress a computer file that has been compressed into a smaller, single archive file (typically .zip format).
Linguistics
Semantic Notes
The meaning has expanded from a physical action to a digital one. Both senses are common, with context usually making the meaning clear.
Dialectal Variation
British vs American Usage
Differences
No major difference in core meaning. 'Zip' is slightly more common than 'zipper' in BrE, but 'unzip' is universal.
Connotations
Identical for both the physical and digital senses.
Frequency
Both senses are equally frequent in both varieties.
Vocabulary
Collocations
Grammar
Valency Patterns
[S] + unzip + [O] (transitive)[S] + unzip (intransitive)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “unzip your lips (slang: to start talking)”
Usage
Context Usage
Business
Mostly digital: 'Please unzip the attachment and review the documents.'
Academic
Both physical and digital: 'The software will unzip the dataset.' / 'He unzipped the specimen bag.'
Everyday
Predominantly physical: 'It's warm in here; I'm going to unzip my hoodie.'
Technical
Exclusively digital/computing: 'The utility unzips archives using the DEFLATE algorithm.'
Examples
By Part of Speech
verb
British English
- Can you unzip my dress?
- The programme will unzip the downloaded folder automatically.
American English
- Unzip your jacket if you're hot.
- You'll need a tool to unzip that .rar file.
adverb
British English
- No standard adverbial use.
American English
- No standard adverbial use.
adjective
British English
- No standard adjectival use.
American English
- No standard adjectival use.
Examples
By CEFR Level
- I can't unzip my bag.
- He unzipped his coat.
- The file is too big; you need to unzip it first.
- She unzipped the tent to let some air in.
- After unzipping the archive, you'll find three separate documents.
- The suitcase was so full I struggled to unzip it.
- The software can unzip encrypted archives using the provided password.
- He unzipped his emotional baggage during the therapy session (figurative).
Learning
Memory Aids
Mnemonic
UNZIP: UN-do the ZIP.
Conceptual Metaphor
Releasing contained contents (from a bag or file).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct translation from Russian 'расстегнуть' only for clothes; for files, use 'разархивировать'. The English word covers both.
Common Mistakes
- Using 'unzip' for unzipping a single file (correct: extracting from an archive).
- Confusing 'unzip' (open) with 'unpack' (remove items).
Practice
Quiz
Which sentence uses 'unzip' in its digital sense?
FAQ
Frequently Asked Questions
No, it originated for physical zippers on clothing/bags and is still commonly used that way. The digital sense is a later extension.
To 'zip' a file, meaning to compress files into a single archive.
Yes, e.g., 'My backpack unzipped accidentally,' or 'The file won't unzip.'
It is neutral and acceptable in both formal and informal contexts, though in very formal technical writing, 'decompress' or 'extract' might be preferred for the digital sense.