To note the time or place of writing or executing; to express in an instrument the time of its execution.
to date a letter, a bond, a deed, or a charter
To note or fix the time of (an event); to give the date of.
To determine the age of something.
to date the building of the pyramids
To take (someone) on a date, or a series of dates.
(by extension) To have a steady relationship with; to be romantically involved with.
(by extension) To have a steady relationship with each other; to be romantically involved with each other.
They met a couple of years ago, but have been dating for about five months.
To make or become old, especially in such a way as to fall out of fashion, become less appealing or attractive, etc.
The comedian dated himself by making quips about bands from the 1960s.
(with from) To have beginning; to begin; to be dated or reckoned.
Marked with a date.
The first dated entry in the diary was from October 1922.
Outdated.
"Omnibus" is a dated term for a bus.
Anachronistic; being obviously inappropriate for its present context.
Calling a happy person gay seems awfully dated nowadays; people will assume you mean something else.
No longer fashionable.
Slang can become dated very quickly.