Here's why:
* Dictionary definitions are considered common knowledge. They are not original works of authorship and are freely available for anyone to use.
* Using quotation marks and attribution is essential. You need to clearly indicate that the words are not your own. For example:
> "According to Merriam-Webster dictionary, 'plagiarism' is the act of taking another person's work and using it without permission."
However, there are some nuances:
* Don't rely solely on definitions. While a definition can be a starting point, you should demonstrate your understanding of the concept by explaining it in your own words, providing examples, or comparing and contrasting it with other ideas.
* Be mindful of the context. If you are writing an academic paper, it's important to be aware of your professor's specific expectations about using definitions. Some professors might prefer you to paraphrase the definition or use it as a jumping-off point for your own analysis.
* Avoid over-reliance. Copying multiple definitions from various sources without further explanation or analysis can be considered plagiarism.
In summary:
Copying a dictionary definition is generally acceptable if you attribute it correctly. However, it's important to use it strategically and not rely solely on definitions in your writing. Always consult your professor or instructor for specific guidelines.