Definitions
1.verbTo 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"
2.verbTo note or fix the time of (an event); to give the date of.
3.verbTo determine the age of something."to date the building of the pyramids"
4.verbTo take (someone) on a date, or a series of dates.
5.verb(by extension) To have a steady relationship with; to be romantically involved with.
6.verb(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."
7.verbTo 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."
8.verb(with from) To have beginning; to begin; to be dated or reckoned.
9.adjectiveMarked with a date."The first dated entry in the diary was from October 1922."
10.adjectiveOutdated.""Omnibus" is a dated term for a bus."
11.adjectiveAnachronistic; being obviously inappropriate for its present context."Calling a happy person gay seems awfully dated nowadays; people will assume you mean something else."
12.adjectiveNo longer fashionable."Slang can become dated very quickly."