This is the 7155th most frequent Japanese word.
ワサワサ
A Japanese onomatopoeia meaning restlessly noisy, bustling, or flustered.
ワサワサ here is used to imitate the sound or feeling of bustling activity or movement, like someone moving quickly through the woods.
森の中をワサワサと歩く音が聞こえる。
The sound of bustling movement is heard in the forest.
ワサワサ used to describe a sense of cluttered or chaotic activity, typically in a small space like a room.
彼の部屋はいつもワサワサしている。
His room is always full of restless activity.
ワサワサ in this sentence conveys a general atmosphere of noisiness or restlessness, making concentration difficult.