1. to use someone else’s words, ideas, or work and present them as your own without giving proper credit
Usage: British spelling; American spelling is ‘plagiarize’

Examples

• The student was expelled for plagiarising large sections of his essay from online sources.
• She accidentally plagiarised a paragraph because she forgot to include quotation marks.
• The author was accused of plagiarising ideas from a lesser-known writer.
• Teachers use special software to detect when students plagiarise their assignments.
• It’s important to learn how to cite sources properly so you don’t plagiarise.
• The journalist’s career ended when it was discovered he had plagiarised multiple articles.