Soon; in the near future — an adverb indicating that something will happen shortly (commonly read ちかぢか).
近々また遊びに行こう。
Let's hang out again soon.
会議は近々行われる予定です。
The meeting is scheduled to be held soon.
ちかぢか彼から連絡が来ると思う。
I think he'll contact me before long.
Nearby; close at hand — a somewhat literary usage often in the form 近々と to indicate proximity.
古い城壁の近々と石垣が残っている。
Stone walls remain close by the old ramparts.