simple past tense and past participle of date
"The old letter was written exactly ten years ago, so it is now dated October 1994."
In plain English: To date something means to mark it with the current time or place.
"The old computer software was dated before we could install the new updates."
Usage: Use "dated" only to describe something that has been officially assigned a specific calendar day or time period. Do not use it as a synonym for "old-fashioned," which is the meaning when used as an adjective.
marked by features of the immediate and usually discounted past
"The vintage living room furniture felt so dated that it made the modern kitchen look even more contemporary in comparison."
Marked with a date.
"The antique shopkeeper carefully wrote his name and today's date on every single item before taking payment."
In plain English: Dated means something is old-fashioned and no longer popular or cool.
"Her outfit looked quite dated compared to everyone else's modern style."
Usage: Use "dated" to describe something that feels old-fashioned or out of touch with current trends, rather than referring to an item simply having a specific year stamped on it. Avoid using it when you mean the physical act of marking a date on an object; for that, specify the exact date or use terms like "marked."
Derived from the Old French daté, which comes from the Latin datum (meaning "given"), the term originally referred to something marked with a date. It later evolved in English to describe anything that appears old-fashioned or out of style.