Translation

盗用する / 剽窃する / 無断で使う

Meaning

To plagiarize is to use someone else's words, ideas, data, code, art, or structure as if it were your own, without proper credit. It is an academic and professional integrity violation.

Examples

• 彼はウェブサイトから段落を盗用しました。
  He plagiarized a paragraph from a website.
• アイデアを言い換えても出典を示さなければ盗用になることがあります。
  You can plagiarize an idea even if you change the wording.