noun
forged handwriting; plagiarism
Refers to imitating someone else's handwriting or passing off another's work as one's own. Often used in contexts of document forgery or academic dishonesty.
その署名は偽筆の疑いがある。
That signature is suspected of being forged.
彼は先輩のレポートを偽筆して提出した。
He plagiarized his senior's report and submitted it.