"dated" in the verb sense
1. date
go on a date with
"Tonight she is dating a former high school sweetheart"
2. date, date stamp
stamp with a date
"The package is dated November 24"
3. date
assign a date to determine the (probable) date of
"Scientists often cannot date precisely archeological or prehistorical findings"
4. go steady, go out, date, see
date regularly have a steady relationship with
"Did you know that she is seeing an older man?"
"He is dating his former wife again!"
5. date
provide with a dateline mark with a date
"She wrote the letter on Monday but she dated it Saturday so as not to reveal that she procrastinated"
"dated" in the adjective sense
1. dated
marked by features of the immediate and usually discounted past
Source: WordNet® (An amazing lexical database of English)
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