poor handwriting; bad handwriting
Refers to handwriting that is messy, illegible, or unattractive. Often used self-deprecatingly.
He is famous for his bad handwriting.
悪筆で申し訳ありません。
I'm sorry for my poor handwriting.
達筆 praises beautiful, skillful handwriting, while 悪筆 describes handwriting that is poor or hard to read.
Compound of 悪 (bad) and 筆 (writing brush, handwriting).