Definitions

1. verb

to pass off (the ideas, writings, etc. of another person) as one’s own, without proper acknowledgment.

“The student was caught plagiarising in his final exam.”

2. verb (transitive)

to pass off (something) as the work of another person

“The novelist was accused of plagiarising the plot from a lesser-known author.”

3. noun

the act of plagiarising

“Plagiarism is a serious academic offence.”

4. noun (mass noun)

the state of plagiarising

“Plagiarism is a widespread problem in the academic world.”