noun
scribblings; scrawlings
Refers to writing that is done hastily or carelessly, often scattered or messy.
机の上には彼の書き散らしが散らばっていた。
His scribblings were scattered across the desk.
ノートに書き散らしばかりで、あとで読めなかった。
The notebook was full of scrawlings, and I couldn't read them later.
走り書き emphasizes hurried writing, while 書き散らし emphasizes messy, scattered writing.
落書き refers to graffiti or doodling, often on walls or surfaces, whereas 書き散らし is more about careless writing on paper.
Compound of 書き (kaki, continuative form of 書く 'to write') + 散らし (chirashi, continuative form of 散らす 'to scatter').