1An adverb meaning "soon" or "before long" — something will happen or be done in the near future. Common in both speech and writing; usually read ちかぢか (きんきん is a slightly stiffer alternative reading).
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 in the near future.
近々そちらに伺います。
I'll come visit you before long.
ちかぢか彼から連絡が来ると思う。
I think he'll get in touch with me soon.
2(Read only as ちかぢか) A somewhat literary usage, typically in the form 近々と, meaning "close by" or "right up close" — used for things or people in near physical proximity.
二人は近々と肩を寄せ合って座っていた。
The two of them sat close together, shoulder to shoulder.