Hyphens & Dashes

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What is a hyphen?

Back

A hyphen is a punctuation mark (-) used to join words or parts of words, such as in compound words (e.g., well-known).

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What is a dash?

Back

A dash is a punctuation mark that can be used to indicate a break in thought or to set off information. There are two types: em dash (—) and en dash (–).

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When do you use a hyphen?

Back

Use a hyphen to connect two or more words that work together as a single idea (e.g., mother-in-law) or to separate syllables of a single word.

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When do you use an en dash?

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An en dash (–) is used to indicate a range of values, such as numbers or dates (e.g., 1990–2000).

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When do you use an em dash?

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An em dash (—) is used to create a strong break in a sentence, often to set off a thought or explanation.

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What is the difference between an em dash and an en dash?

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An em dash is longer than an en dash. An em dash is used for breaks in thought, while an en dash is used for ranges.

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How do you punctuate compound adjectives?

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Use a hyphen to connect compound adjectives that come before a noun (e.g., a high-quality product).

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What is an example of a sentence using a hyphen?

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She is a well-respected teacher.

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What is an example of a sentence using an en dash?

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The meeting is scheduled for 1:00–2:00 PM.

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What is an example of a sentence using an em dash?

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I was going to the store—until I realized I forgot my wallet.