noun
someone who uses another person's words or ideas as if they were his own
• Syn: ↑plagiarist, ↑plagiariser, ↑literary pirate, ↑pirate
• Derivationally related forms:
↑piratical (for: ↑pirate), ↑pirate (for: ↑pirate), ↑plagiarise (for: ↑plagiariser), ↑plagiarize, ↑plagiarism (for: ↑plagiarist), ↑plagiarize (for: ↑plagiarist), ↑plagiarise (for: ↑plagiarist)
Useful english dictionary. 2012.