How to Paraphrase Without Plagiarizing (With Examples)
Key takeaways
- Paraphrasing means expressing someone else's idea in your own words and sentence structure, while keeping the original meaning.
- Swapping a few words for synonyms is not paraphrasing. It is patchwriting, and it can count as plagiarism.
- Always cite a paraphrase. The words are yours, but the idea isn't.
Paraphrasing is one of the most important academic skills. It shows you understand a source, keeps your writing in your own voice, and helps you avoid relying on long quotations.
When to paraphrase, summarize or quote
| Technique | What it is | When to use it |
|---|---|---|
| Paraphrase | A specific passage in your own words, about the same length | You need the detail of one idea |
| Summary | The main point of a longer text, much shorter | You need the big picture |
| Quotation | The exact words, in quotation marks | The wording itself matters: definitions, striking phrases, primary sources |
Most instructors expect papers to be mostly paraphrase and analysis, with only a few short quotations.
How to paraphrase in 5 steps
- Read the passage until you fully understand it. Look up unfamiliar terms.
- Put the source away and write the idea from memory, as if explaining it to a friend.
- Change the structure, not just the words: reorder ideas, merge or split sentences, and change active to passive or vice versa.
- Compare with the original. Check the meaning is accurate and no distinctive phrases remain. Put any unique terms you keep in quotation marks.
- Add a citation.
Examples: good vs bad paraphrasing
Original: "Regular physical activity reduces the risk of heart disease, type 2 diabetes and several cancers, and it also improves mood and sleep quality."
❌ Patchwriting (plagiarism): "Frequent physical activity lowers the risk of heart disease, type 2 diabetes and some cancers, and it also boosts mood and sleep quality." Only individual words changed. The structure is identical.
✅ Good paraphrase: "People who exercise often sleep better and feel happier, and they are less likely to develop serious conditions such as cardiovascular disease, some cancers and type 2 diabetes (World Health Organization, 2024)." New structure, new wording, same meaning, cited.
Techniques that help
- Change the starting point of the sentence.
- Change word forms: "reduces the risk" → "is less likely to develop"
- Use synonyms carefully: technical terms such as "type 2 diabetes" usually stay the same.
- Combine information from a longer passage into fewer sentences.
How to cite a paraphrase
- APA 7: (Author, Year). Page numbers are optional but encouraged for paraphrases: (Smith, 2024, p. 12).
- MLA 9: (Author page), for example (Smith 12).
- Harvard: (Author, Year) or (Author, Year, p. 12) depending on your university.
See how to avoid plagiarism for more on citing correctly.
What about paraphrasing tools and AI?
Automatic paraphrasers often produce awkward wording, change the meaning, or keep the original structure. Many universities also treat undisclosed use of AI tools as academic misconduct. Paraphrasing yourself, or working with a human editor, is safer and produces clearer writing. Always check your institution's AI policy.
Frequently asked questions
Is paraphrasing plagiarism?
Not if you do it properly: genuinely rewrite the idea in your own words and structure, and cite the source. It becomes plagiarism if you only swap a few words or leave out the citation.
How much should a paraphrase change?
Enough that it doesn't follow the original sentence structure or reuse distinctive phrases. A good test: could you have written it without the source in front of you?
Do I need to cite a paraphrase if I use my own words?
Yes. The idea still belongs to the original author, so it always needs an in-text citation and a reference list entry.
How many words in a row can I copy?
There's no universal rule, but copying even a short distinctive phrase without quotation marks can count as plagiarism. If you keep a phrase, put it in quotation marks and cite it.
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