What is the MLA definition of plagiarism?

According to the Modern Language Association (MLA), plagiarism is the act of using someone else's Words, ideas, or work without proper acknowledgment, thereby presenting them as one's own. This includes not only direct copying but also paraphrasing without credit. Plagiarism undermines academic integrity and can result in serious consequences in educational and professional settings. To avoid it, proper citation and acknowledgment of sources are essential.