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out of date
/ˌaʊt əv ˈdeɪt/
no longer current
This software is out of date and no longer supported by the manufacturer.
This software is no longer current and lacks manufacturer support.
general
no longer current or valid due to being old or superseded
The company's policies were out of date and needed revision.
The company's policies were outdated and required updating.
His passport is out of date, so he can't travel internationally.
His passport has expired, preventing international travel.
Commonly used to describe information, technology, or documents that are no longer valid or current.
Collocations
out of date informationinformation that is no longer currentout of date softwaresoftware that is no longer supported or updated
Related Phrases
Pro Tip
Avoid redundancy
The phrase 'out of date' is already idiomatic; avoid adding 'old' (e.g., 'old out of date') as it is redundant.
Gold Rule
Usage context
Use 'out of date' for tangible items (e.g., documents, software) or abstract concepts (e.g., ideas, policies) that are no longer valid or current.
Word Origin
The phrase combines 'out' (indicating a state of being outside or beyond) and 'date' (referring to time or period). It emerged in the mid-19th century, evolving from the idea of something being beyond its time or period.
Usage Notes
Used attributively (e.g., 'an out-of-date system') or predicatively (e.g., 'The system is out of date'). Often implies a need for replacement or updating.
Word Breakdown
out
beyond the usual or expected
prepositionof date
pertaining to the current time period
prepositional phraseEnglish Dictionary