vac
C1Informal, colloquial. Predominantly spoken.
Definition
Meaning
A short, informal term for 'vacuum cleaner' (noun) or the act of vacuuming (verb).
Commonly used as an abbreviation in informal speech for activities or situations involving vacuuming or a vacuum cleaner. Can also refer to a university vacation period in British English, derived from 'vacation'.
Linguistics
Semantic Notes
As a noun, it is a back-formation/clipping from 'vacuum cleaner'. Usage is strongly contextual and often requires shared understanding between speakers. The 'university vacation' sense is specific to UK academic contexts.
Dialectal Variation
British vs American Usage
Differences
In UK English, 'vac' can refer to both a vacuum cleaner and a university vacation. In US English, it is overwhelmingly used only for a vacuum cleaner. The verb form ('to vac') is understood but rarer in the US.
Connotations
Informal, practical, slightly 'slangy'. In the UK university context, it carries the specific connotation of a formal break between terms.
Frequency
Moderately common in UK informal speech for both senses. In the US, it is less common than saying 'vacuum' and is mostly regional or family-specific slang.
Vocabulary
Collocations
Grammar
Valency Patterns
I need to vac [OBJECT: the lounge].The vac [VERB: is broken].During the vac [TEMPORAL ADJUNCT], I went travelling.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “Run the vac over it.”
- “The vac's had it.”
Usage
Context Usage
Business
Extremely rare; 'vacuum cleaner' is always used in marketing or manuals.
Academic
In UK universities, used in scheduling and informal student talk ('the Easter vac').
Everyday
Common in domestic settings among family/friends.
Technical
Not used in technical specifications.
Examples
By Part of Speech
verb
British English
- I'll just vac the stairs before we go.
- She's vacuuming the car.
- He vacked the whole flat in ten minutes.
American English
- Can you vac the family room?
- I need to vac up these crumbs.
adverb
British English
- (Not used as an adverb)
American English
- (Not used as an adverb)
adjective
British English
- Vac time is next week.
- He's on vac work.
American English
- (Not typically used as an adjective)
Examples
By CEFR Level
- The vac is in the cupboard.
- I don't like the noise of the vac.
- Could you get the vac out and clean the rug?
- The vac bag is full.
- This cordless vac is much more convenient than our old one.
- I'll be visiting my parents during the summer vac.
- After the party, it took ages to vac up all the glitter.
- The library has reduced hours over the Christmas vac.
Learning
Memory Aids
Mnemonic
VAC sounds like 'whack' – you whack the dirt with a VAC.
Conceptual Metaphor
A DEVICE FOR SUCKING / A PERIOD OF EMPTINESS (time).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with Russian 'вак' (vak), which has no meaning. Do not translate directly as 'vacation' in general contexts; it is specifically a university break in the UK.
Common Mistakes
- Using 'vac' in formal writing.
- Saying 'I'll use the vac' with someone unfamiliar with the abbreviation.
- Over-applying it to any type of holiday (US/UK general).
Practice
Quiz
In which context is 'vac' LEAST likely to be used?
FAQ
Frequently Asked Questions
Yes, it is a recognised informal clipping of 'vacuum cleaner' or (in UK) 'vacation', used in spoken English.
No. It is informal and colloquial. Use the full terms 'vacuum cleaner' or 'vacation' in formal writing.
Both are brand-generic terms for a vacuum cleaner. 'Hoover' is more established in the UK, while 'vac' is a simpler abbreviation. In the US, 'vac' is less common than 'vacuum'.
It's irregular and highly informal. You might see 'vacced' or 'vacked', but in writing it's safer to use 'vacuumed'.