Is “Expertise” Singular Or Plural?

In English, singular and plural words pop up all over the place. You need to know the singular and plural forms of the words you’re using. One word that’s confusing is expertise. Is expertise singular or plural?

Expertise is a singular word, but it can be used as a plural form. The plural form of expertise is expertises, but expertise is a much more commonly used word. You can use both expertise and expertises to express multiple expertises.

The rest of this article will cover what expertise means, what expertises mean, and how to use expertise in a sentence.

What Expertise Means

In professional environments, you’ve seen the word “expertise” used often. It’s used in speech and written documents. You have expertise in certain fields. Expertise means to have expert knowledge in one or multiple fields. This is why expertise is used so often in formal areas.

It is a singular word, but in some cases, it can be used to indicate multiple expertises. For example, here is a sentence that shows that: “I have many kinds of expertise.” You can also use “expertises” in this sentence.

Expertise will be used to describe your best fields at work, and you can use it to describe the fields you personally think you have the most knowledge in. For example, if you studied engineering in college, you can say you have an expertise in engineering.

What Expertises Mean

Like expertise, expertises is also used in formal environments both in speech and written documents. Since expertises is the plural form of expertise, it means the same thing as expertise, just plural.

Expertises means to have expert knowledge in multiple fields. If someone references your expertises, they’re referring to the multiple fields you have expertise in.

Since you can use expertise and expertises as a plural form, the words are very versatile. In casual conversation, it’s easier to say “expertises” to indicate the plural form. In formal situations, it’s easier and more common to say “expertise” as the plural form.

If you are only mentioning one field of knowledge you are an expert in, then you can use “expertise”. If you are mentioning multiple fields of knowledge you are an expert in, then you can use “expertises”.

How To Use Expertise In A Sentence

Expertise can be used in both formal and casual environments. You’re more likely to see it in formal environments and in books, but you can use it in casual conversations as well. To use expertise in a sentence, you have to use it as a noun describing expert knowledge.

Here are a few examples of “expertise” used in a sentence:

“Lily has a lot of expertise with editing short videos.”

“Both Gerald and Fiona studied English to further strengthen their areas of expertise.”

“I have years of experience in writing since it’s my expertise.”

“When I got to work, I decided to show off my expertise in communications.”

“I didn’t know he had so much expertise in history.”