Meaning & use
OOS
Last updated
Meanings
abbreviationbusiness
Short for out of stock: used in shops and warehouses for an item that is not available to buy right now.
Grammar: Used as an adjective or label: the item is OOS; often written on signs or in inventory lists.
Patterns
- be OOS
- mark something as OOS
The popular sneakers are OOS in most sizes.
I checked the website, but the book is OOS.
The warehouse system shows this part as OOS.
abbreviationtechnical
Short for out of service: used for a machine, room, or vehicle that is not working or not available for use.
Grammar: Used as an adjective or label: the elevator is OOS; often seen on signs.
Patterns
- be OOS
- put something OOS
The elevator is OOS, so we'll take the stairs.
That printer has been OOS for a week.
The bus was marked OOS and returned to the garage.
Common combinations
- OOS item
- The OOS item will be back in stock next week.
- go OOS
- The best-selling toy went OOS before the holidays.
- OOS sign
- There was an OOS sign on the broken washing machine.
Synonyms and how they differ
- unavailable
- Unavailable is a general word for anything you cannot get or use; OOS is a specific abbreviation used in shops and service settings.
- sold out
- Sold out means all items have been sold; OOS can also mean the item was never in stock or is temporarily unavailable.
Opposites
Commonly confused: OOS or OOS (out of service)?
OOS vs OOS (out of service)
The same abbreviation can mean 'out of stock' in shops or 'out of service' for machines. Context tells you which.
Practice
A customer asks for a popular toy, and the shop assistant says, 'Sorry, it's OOS.' What does OOS mean here?
Choose one answer.
In a shop, OOS means 'out of stock'—the item is not available to buy. 'Out of service' is used for machines, not products for sale. 'Out of season' and 'out of style' are not what OOS stands for.
Make it your own
Write a sentence using “OOS”, then check it and compare it with the examples above.