deserted (esp. store, market, town, streets); quiet; still; hushed; empty
inactive (business, trade, etc.); slack; flat; off-season; quiet; dull
idle; free; unoccupied
商店街は平日の昼間は閑散としている。
The shopping street is deserted during weekday afternoons.
閑散期に旅行すると宿泊費が安い。
Accommodation costs are cheaper when traveling during the off-season.
かつて賑わった港も今は閑散としていた。
The port that was once bustling was now deserted.