Jul 18, 2016

Em Dash

10 cards
    • An em dash is longer than an en dash (named for the width of a typesetter’s m key). Use an em dash sparingly in formal writing. Don’t use it just because you are uncertain about correct punctuation. In informal writing, em dashes may replace commas, semicolons, colons, and parentheses to indicate added emphasis, an interruption, or an abrupt change of thought.

      • Examples:
        You are the friend — the only friend — who offered to help me.
        Never have I met such a lovely person — before you.

        • I pay the bills — she has all the fun.
          A semicolon would be used here in formal writing.

          • I need three items at the store — dog food, vegetarian chili, and cheddar cheese.
            Remember, a colon would be used here in formal writing.

            • My agreement with Fiona is clear — she teaches me French and I teach her German.
              Again, a colon would work here in formal writing.

              • Please call my agent — Jessica Cohen — about hiring me.
                Parentheses or commas would work just fine here instead of the dashes.

                • I wish you would — oh, never mind.
                  This shows an abrupt change in thought and warrants an em dash.

                  • To form an em dash on a PC, type the first word, then hold down the ALT key while typing 0151 on the numerical pad on the right side of your keyboard. Then type the second word. You may also form an em dash by typing the first word, hitting the hyphen key twice, and then typing the second word. Your program will turn the two hyphens into an em dash for you.

                    • On a Mac, press Option-Shift-Hyphen to form an em dash.

                      • While there are many more possible uses of the em dash, by not providing additional rules, I am hoping to curb your temptation to employ this convenient but overused punctuation mark.

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