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Semicolons

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You may have heard this kind of advice, “To avoid short choppy sentences and improve the flow of your writing, vary your sentence lengths and structures!” It’s solid advice, and it turns out a semicolon (or “semi-colon,” both are acceptable) can help you heed it.

Perhaps when you tried using a semicolon, however, it was marked incorrect by your instructor. This resource can help!

Use a Semicolon Like a Pro

Below are the three basic situations for the proper usage of a semicolon.

  • 1. To separate two closely-related complete sentences instead of a conjunction (like and, but, or)
    1. “I went to the store. It was closed.”
    2. “I went to the store, but it was closed.”
    3. “I went to the store; it was closed.”

    Each of these three examples is grammatically correct. The first, however, sounds choppy; a whole paragraph of sentences like that will eventually sound like a beginning reader’s lesson. (“See Spot run.”) The second sentence is probably the one we would use in most contexts. The third, featuring the semicolon, has something emphatic or dramatic about it: it lacks the choppiness of the first example with its two complete stops, but it does not make the contrast so pronounced as the “but” does in the second example. It shows the close relation between the two statements but leaves the nature of that relationship implied.

  • 2. To separate two complete sentences linked with a transitional word or phrase (like however, in fact)

    Many students resist using semicolons for fear of doing so incorrectly; once its three basic uses are understood, however, the semicolon will pose little problem.

    Caution:ĚýWhat lies on either side of the semicolon, as in the previous examples, needs to be a complete sentence. Here is a case where the semicolon is used incorrectly (what follows it is merely a phrase):

    • Incorrect:Ěý“Many students resist using semicolons for fear of doing so incorrectly; probably because a teacher corrected them in the past.”
  • 3. To separate items in a series when the items themselves already contain commas

    Below is an example of a semicolon used in this way:

    • “America’s favorites cartoon family, The Simpsons, includes Homer, the oafish but loving father who tries to be a good dad in spite of himself; Marge, the worrisome but loving mother with the blue beehive hair-do; Lisa, the brainy older sister; Maggie, the pacifier-sucking baby; and of course, Bart, the class-clown, troublemaker and rebel without a cause.”

Last revised: 07/2008 |ĚýAdapted for web delivery: 05/2021ĚýIn order to access certain content on this page, you may need to downloadĚýĚýor an equivalent PDF viewer software.