dated

动词 date:

1. go on a date with
   同义词：date
2. stamp with a date
   同义词：date, date stamp
3. assign a date to; determine the (probable) date of
   同义词：date
4. date regularly; have a steady relationship with
   同义词：go steady, go out, date, see
5. provide with a dateline; mark with a date
   同义词：date

形容词 dated:

1. marked by features of the immediate and usually discounted past
2. bearing a date

1. I saw a tombstone bearing the date 1602.
   我见到一块刻有1602年字样的墓碑。
2. Our partnership dates back to (ie We have been partners since) 1960.
   我们从1960年就合伙了。
3. I only dated her once.
   我和她只约会过一次。
4. Many dated expressions are being dropped from the new dictionary.
   这本新词典中删去了很多过时的词语。
5. His last letter was dated 24 May.
   他最後一封信的日期是5月24日。
6. A friendship between us dated from twenty years ago.
   我们俩的友谊源于二十年前。
7. She uses rather dated words and phrases.
   她使用的词语未免太陈旧了。

dat.ed

adj.（形容词）
Marked with or displaying a date.
注明日期的：标有或显示出日期的
Old-fashioned; out-of-date.
过时的；陈旧的

【引伸】
dat.edly
adv.（副词）
dat.edness
n.（名词）