Punctuating Appositives

Punctuation isn’t complicated once you knowwoman. As such, the appositive is set off with
what you’re looking at. I see many writerscommas.
making errors when punctuating appositives. ThisRestrictive appositives: By restrictive, we mean
may be a new term for many folks, so we’llthat we have used a name for a broad category
take a look at what I mean bywith many things in it. We want the reader to
“appositive,” and then we’ll figure outknow which thing we’re writing about, so we
how to punctuate them correctly.need to restrict the broad category to a narrow
WHAT’S AN APPOSITIVE?category that only contains one thing. When
An appositive is a word or phrase thatappositives are restrictive, they are not set off
1. renames something you have written andwith commas.
2. can serve the same grammatical function asHere is a sentence with a restrictive appositive:
the word or phrase it renames. If the word orThe belief that he was alone led him to
phrase passes these two tests, it is an appositive.depression. The restrictive appositive is “that
FIRST EXAMPLE OF AN APPOSITIVEhe was alone.” This phrase renames “the
Here’s a sentence with an appositive.belief,” and, as a noun phrase, it can also
Let’s take a look at the phrase “a harshserve as the subject (though this will sound
and stubborn woman.” Is this an appositive?awkward to native English speakers).
The committee chairwoman, a harsh andWhy is this restrictive? The category
stubborn woman, scorned the director’s“belief” has many things in it (i.e., contains
request.many individual beliefs), and we want to indicate
First test: In this sample, the phrase “a harshthe one belief to which we are referring. We are
and stubborn woman” renames “Therestricting the broad category to a very narrow
committee chairwoman.” It means the samecategory, the broad category of beliefs to the
thing. This satisfies the first test.narrow category of belief that he was alone. As
Second test: “The committeesuch, this appositive is not set off with commas.
chairwoman” is the subject of this sentence.EXAMPLES FROM ONLINE REFERENCE SITES
However, if we leave out this subject, then “aLet's look at two examples of appositives taken
harsh and stubborn woman” will serve as thefrom the Online Writing Lab (OWL) at Purdue (
subject (minus the commas around it). In thisMy brother's car, a sporty red convertible with
way, “a harsh and stubborn woman” canbucket seats, is the envy of my friends.
serve the same grammatical function as “theThe appositive is "a sporty red convertible with
committee chairwoman.” This satisfies thebucket seats." This is in apposition to "car." It is
second test.renaming "car" inasmuch as it means the same
Another way to perform this test is to leave outthing. “Car” = “a sporty red
one phrase and then the other, resulting in twoconvertible with bucket seats” (first test).
sentences. If they are both grammatically correct,Also, it can serve the same grammatical function
then the phrase passes the second test. Usingas “car.” In this sentence, "My brother's
this example, we have the following twocar" is the subject. However, if we remove the
grammatically correct sentences. The committeesubject (and fix the punctuation), "A sporty red
chairwoman scorned the director’s request. Aconvertible with bucket seats" becomes the
harsh and stubborn woman scorned thesubject (second test).
director’s request.[This one is non-restrictive. My brother has only
Based on these two tests, the phrase “aone car. As such, the appositive is set off with
harsh and stubborn woman” is an appositive.commas.]
We say that this phrase is in apposition toYour friend Bill is in trouble.
“the committee chairwoman.”"Bill" is in apposition to "friend." "Bill" is renaming
SECOND EXAMPLE OF AN APPOSITVE"friend" inasmuch as it means the same thing
Here is another sentence with an appositive. My(first test). “Friend” = “Bill” (first
brother, a violin player, is coming home. Thetest). Second, the appositive can serve the same
phrase “a violin player” is an appositive. Itgrammatical function. The sentence "Your friend is
is in apposition to “My brother,” and itin trouble" has the same grammatical structure as
passes the two tests: 1) it renames “my"Bill is in trouble" (second test).
brother;” 2) it can serve the same[This one is restrictive, assuming you have more
grammatical function.than one friend. We are narrowing the broad
THIRD EXAMPLE OF AN APPOSITIVE Mostcategory of “friend” to a narrow
appositives follow the word or phrase theycategory called “friends named Bill.” As
rename. Here’s a sentence in which thesuch, the appositive is not set off with commas.
appositive is before the word it renames. AThe broad category has many things in it, i.e.,
streak in the sky, the eagle raced overhead. Themany friends, so we need to restrict it to point
appositive is “a streak in the sky.” Itout the one we’re writing about.]
renames “eagle” and can serve the sameThe Center for Writing Studies (CWS) at the
grammatical function. We can write “TheUniversity of Illinois ( provides a decent definition:
eagle raced overhead” or “A streak in the“Appositives are two words or word groups
sky raced overhead.”which MEAN THE SAME THING and are placed
HOW DO I PUNCTUATE AN APPOSITIVE?together. Appositives identify or explain the nouns
Now, what are the rules for punctuatingor pronouns which they modify.” Here is one
appositives? How do you punctuate an appositive?of their examples: Our teacher, Professor
Now that we know what appositives are,Lamanna, loves grammar.
let’s figure out how to punctuate them. ToThe appositive they identify is "Professor
answer this question, we first have to decideLamanna." This appositive renames "our teacher"
what type of appositive we are using:and can serve the same grammatical function if
non-restrictive or restrictive."our teacher" (and the pair of commas) is
Non-restrictive appositives: By non-restrictive, weremoved.
mean they are simply renaming something. WeWHAT DO I DO?
are only referring to one thing, a category with1. Find your appositives. To determine whether or
only one thing in it. When appositives arenot a word or words are appositives, look at
non-restrictive, they are set off with commas.what they mean and how they are used.
The examples above are all non-restrictive.2. Decide whether the appositive is restrictive or
In the first example above, only one woman isnon-restrictive.
the committee chairwoman. We don’t need3. Once you have done these two tasks, use the
to restrict the category to indicate which womanpunctuation rules above to determine whether or
because it only has one woman in it; we’renot to set them off with commas.
just providing additional information about that