plagiarism
US /ˈpleɪ.dʒɚ.ɪ.zəm/
UK /ˈpleɪ.dʒɚ.ɪ.zəm/

1.
plagiat
the practice of taking someone else's work or ideas and passing them off as one's own
:
•
The student was accused of plagiarism after submitting an essay copied from the internet.
Student został oskarżony o plagiat po złożeniu eseju skopiowanego z internetu.
•
The university has a strict policy against plagiarism.
Uniwersytet ma surową politykę antyplagiatową.