plagiarism
[noun]
Synonyms: copying, borrowing, cribbing (informal), infringement, piracy, theft

[TahlilGaran] English Synonym Dictionary ▲

pla‧gia‧ris‧m /ˈpleɪdʒərɪzəm/ noun
[Date: 1600-1700; Origin: plagiary 'plagiarism' (17-19 centuries), from Latin plagiarius 'thief', from plagium 'hunting net']

1. [uncountable] when someone uses another person’s words, ideas, or work and pretends they are their own:
The journal accused the professor of plagiarism.

2. [countable] an idea, phrase, or story that has been copied from another person’s work, without stating where it came from:
claims that there are plagiarisms in the new software
—plagiarist noun [countable]

[TahlilGaran] Dictionary of Contemporary English ▲