ichidan verb, transitive verb
write and throw away; write carelessly; abandon writing midway
Implies writing something without intending to keep it, writing in a rough or careless manner, or starting to write and then giving up partway. Often used for drafts, notes, or abandoned attempts.
思いついたアイデアをノートに書き捨てた。
I jotted down the idea that came to mind and left it at that.
彼は手紙を書き捨てて、
He dashed off the letter and rushed outside.
小説を書き始めたが、途中で書き捨ててしまった。
I started writing a novel but abandoned it partway through.