science | January 13, 2026

Is using em dash informal?

The em dash is not informal. You can find plenty of examples in formal writing. Where you won't find it is in informal writing! The teacher is just criticizing your using it in a place where you could either split your sentence into two or use a different type of subordinating construction.

Is a dash formal or informal?

Did you know that dashes are informal punctuation? When writing a formal letter or another kind of document, you should always try to avoid informal punctuation symbols. Dashes are one example; exclamation marks are another.

Are em dashes unprofessional?

Whichever style you choose, use it consistently throughout your document. Remember, em dashes are not interchangeable with hyphens. Using a single hyphen instead of an em dash can confuse readers and make your writing look unprofessional.

How do you formally use an em dash?

Definition: The em dash (sometimes just called a dash) is used to set off information from the rest of the sentence, and mimics or copycats other more formal punctuation marks. It is often used in place of colons or semicolons. It is also common to use a pair of em dashes to replace parentheses or a pair of commas.

When would you use an em dash?

Em dashes can be used in pairs to mark off additional information that is not essential to understand the sentence. Here they function similarly to parentheses or a pair of commas. An em dash is usually written without spaces on either side, although some style guides do recommend using spaces.

En Dash vs. Em Dash | Grammar Lessons

Why do writers use em dashes?

An em dash is a punctuation mark that can be used to replace commas, parentheses, colons, and semicolons. In general, the em dash is seen as being more interruptive or striking than other punctuation, so it is often used stylistically to draw a reader's attention to a particular bit of information.

Why would a writer want to use the em dash?

Too many afterthoughts or over-emphasizing shows a lack of clarity in your writing, making it dull to read. The reason? Em dashes add effects — asking the reader to pause as you share a thought. For maximum effect, make people pause only when you really want them to.

Can you use em dashes in academic writing?

Although en or em dashes are acceptable in scholarly prose, they are less formal than colons and often suggest an aside or afterthought, so excessive use of this construction (in every sentence, for instance) is poor style, and as a general rule no more than one parenthetical or explanatory clause marked by dashes ...

Are parentheses informal?

Parenthesis ( )

Of the three, parentheses are the most commonly used punctuation in formal and informal writing. Parentheses are most commonly used to enclose an explanation or afterthought which relates to the main message of the sentence.

Can you use dashes in essays?

1. To set off material for emphasis. Think of dashes as the opposite of parentheses. Where parentheses indicate that the reader should put less emphasis on the enclosed material, dashes indicate that the reader should pay more attention to the material between the dashes.

Are em dashes overused?

Em dashes are extremely versatile, but they should not be overused. If you have an em dash in every other paragraph, for instance, take a moment to come up with a different sentence construction or punctuation mark instead. Overuse dilutes their emphasis and can make your writing choppy.

What is the difference between en dash and em dash?

En dashes are used to show ranges of any kind. This could be in numbers, such as page numbers (55–102) or time (1:00–2:30), or months, such as July–October. Em dashes can be used in place of commas, colons, semi-colons, or parentheses. They are mainly used to set a phrase apart.

Why do people use double dashes?

Double dashes are used instead of commas (or parentheses) to interrupt a sentence. The phrase separated by dashes must be grammatically inessential, by which I simply mean that the sentence will still work without that phrase.

What can I replace an em dash with?

Many word processors will automatically insert an em dash when you type a pair of hyphens. Otherwise, look for an “insert symbol” command. If you are using a typewriter, a pair of hyphens is the closest you can get to an em dash.

How do you write someone being interrupted?

To Indicate Interrupted Dialogue, Use An Em-Dash

To create interrupted dialogue that everyone will recognize as such, use an em-dash where you want to end the dialogue. You create an em-dash by typing two hyphens, and most word processing programs will tie them automatically into the longer dash.

How do you show interruptions in text?

Use an em dash (the longer dash symbol) to indicate an interruption or an abrupt change in thought or to insert supplemental information. If the interruption or insertion comes in the middle of a sentence, add a closing dash to signal the end of the interruption.

Is it OK to use parentheses in formal writing?

Dashes and parentheses should be used sparingly in formal academic writing. Parenthetical statements especially should be avoided because if something is important enough to be in the sentence, it should be fully part of that sentence.

Is it informal to use parentheses in a sentence?

Punctuation marks: parentheses. Parentheses are among the most useful and versatile punctuation marks in the English language. They can be used effectively in both formal and casual writing, and the rules surrounding parentheses allow writers to use them for a variety of purposes.

What is dash used for?

A dash (—) is a punctuation mark used to set off an idea within a sentence and may be used alone or in pairs. Dashes interrupt a thought in a more dramatic way than a phrase enclosed in commas, but less theatrically than parentheses.

Can an em dash start a sentence?

Use em dashes to set off parenthetical statements, amplify a thought, begin a sentence with a list or a single noun and then provide an explanatory statement, or to mark asides, interruptions, and sudden turns in thought.

How do you use em dash in dialogue?

To show an interruption of the spoken words, include an em dash inside the quotation marks, at the point where the dialogue is interrupted. “I knew you'd drop it.”

What does em dash mean?

The Em Dash: An Introduction

Like commas and parentheses, em dashes set off extra information, such as examples, explanatory or descriptive phrases, or supplemental facts. Like a colon, an em dash introduces a clause that explains or expands upon something that precedes it.

Why do people use dashes in emails?

It is typically used to join a range of date, pages, or words. For example: 2015–2016, pages 23–26, or September – December. My personal preference is the space en dash space as it looks cleaner and less cluttered. The em dash is about the same width as an upper case M.

Is a double dash an em dash?

There are three forms of dashes: em, en, and the double hyphen. The most common types of dashes are the en dash (–) and the em dash (—). A good way to remember the difference between these two dashes is to visualize the en dash as the length of the letter N and the em dash as the length of the letter M.

Do you use spaces with em dashes?

An em-dash is a punctuation mark which is used alone to indicate a pause in speech or in pairs to take the place of commas. The name comes from the fact that, in tradtional typesetting, the dash is the same width as a capital M. Most writers (and style guides) use the em-dash without spaces on either side.