adverb
soon; before long; any time now
Niigata dialect equivalent of standard そろそろ. Used to indicate that something is about to happen or that it is time to start doing something.
See also: そろそろ
そろっと出かけようか。
Shall we get going soon?
バスがそろっと来るはずだ。
The bus should be here any time now.