Understanding the proper use of em dashes, en dashes, and hyphens is crucial for conveying clear and precise meaning in writing. Each of these punctuation marks serves a unique purpose and is used in specific contexts. In this guide, we will explain how to master the use of em dashes, en dashes, and hyphens, complete with examples for clarity.
- Hyphens (-)
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Hyphens are the shortest of the three marks and are primarily used to connect words or parts of words. They are often used in compound words, to create clarity in certain contexts, and in certain technical or formal writing styles.
Examples:
- Compound words: well-known, mother-in-law
- Dividing words at the end of a line: If the word doesn't fit at the end of the line, it may be necessary to use a hyphen to divide it.
- Clarifying meaning: He has a re-cover plan. (meaning to cover again, distinguishing from 'recover' as in to regain health)
- En Dashes (–)
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En dashes are slightly longer than hyphens and are used to indicate a range or connection between two related items, such as dates, numbers, or regions. They essentially mean 'to' and can also serve to show a negative or non-standard relationship.
Examples:
- Ranges: 1990–2000, pages 10–15
- Connections: the New York–London flight, the east–west highway
Note: In ranges, spaces are not typically used around an en dash. In Microsoft Word, you can insert an en dash by typing two hyphens -- without spaces.
- Em Dashes (—)
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Em dashes are the longest of the three marks and are used for a variety of purposes, including the replacement of commas, parentheses, or colons for stylistic emphasis, adding supplementary information, or indicating interruptions in dialogue.
Examples:
- Add emphasis: The solution—which we'd been working on for days—finally worked.
- Add parenthetical information: He gave her the one thing she never needed—advice.
- Dialogue interruption: "Wait," she said, "I forgot—"
Note: Em dashes are typically used without spaces on either side when writing in English.
By distinguishing between these punctuation marks and understanding their distinct functions, you can enhance the clarity and professionalism of your writing. In summary:
- Use hyphens to connect words or divide words at the end of a line.
- Use en dashes to indicate ranges or relationships.
- Use em dashes for emphasis or parenthetical thoughts.
Mastering the use of em dashes, en dashes, and hyphens will significantly enhance the readability and sophistication of your writing.

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