1To scatter or spread something widely (objects, liquids, information, etc.); often carries a negative nuance (e.g. to scatter trash, to spread rumors).
子どもたちは庭に土を撒き散らして遊んでいた。
The children were playing, scattering soil all over the yard.
風でニュースのチラシが道路に撒き散らされた。
Flyers for the news were blown and scattered across the road by the wind.
ウイルスが空気中に撒き散らされないよう、マスクを着けることが重要だ。
It's important to wear masks to prevent the virus from being spread through the air.
彼は会議中に根拠のない噂を撒き散らしてしまった。
He ended up spreading baseless rumors during the meeting.