be used as

USAGE SUMMARY

The phrase "be used as" is correct and usable in written English.
You can use it when you want to express that something is capable of performing a purpose or function. For example, "This software can be used as an efficient way to manage customer data."

✓ Grammatically correct

News & Media

Science

Wiki

Academia

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Ceramic binders can be used as well.

Wikipedia

Alternative assumptions can be used as well.

Plosone

This can be used as well.

WikiHow

Copper coins can be used as well.

WikiHow

SPACKLE should never be used as toothpaste.

The New York Times

Those facts can be used as leverage.

The New York Times

First, they can be used as signposts.

The Economist

Could it be used as a backup?

The New York Times

Then, they could be used as ingredients.

The Guardian

Should dolphins be used as therapists?

The New Yorker

Food shouldn't be used as a weapon.

The Guardian - Lifestyle

Expert writing Tips

Best practice

Ensure the noun following "as" identifies a role, capacity or function to maintain logical consistency.

Common error

Do not confuse "be used as" with "be used for". Use "as" when following with a noun that describes what the object becomes (e.g., "as a hammer") and use "for" when following with an action or general purpose (e.g., "for hammering").

Linguistic Context

The phrase "be used as" functions as a passive voice construction where the subject is the recipient of an action. It is typically followed by a noun phrase that denotes a role, capacity or category. According to Ludwig AI, this structure is grammatically sound and serves to link an object to its intended or potential application.

Expression frequency: Very common

Frequent in

News & Media

45%

Wiki

30%

Science

15%

Less common in

Academia

5%

Formal & Business

4%

Social Media

1%

Ludwig's WRAP-UP

The phrase "be used as" is a highly versatile and grammatically correct construction in English. As demonstrated by the extensive data from Ludwig, it is employed across all major writing registers to define the utility or role of a subject. Whether in a scientific paper describing a "wavelet function" or a news article discussing "political leverage", the phrase remains a staple for clear and functional communication. Ludwig AI confirms its status as a reliable choice for writers who need to categorize or explain the purpose of an object. To improve your writing, remember the distinction between "as" (identity) and "for" (purpose), and consider more formal synonyms like "be utilized as" for technical contexts.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

serve as

Shifts the focus to the function or role the subject performs actively.

function as

Emphasizes the specific operation or purpose of an object.

be utilized as

A more formal and technical alternative often found in scientific reporting.

act as

Suggests a temporary or situational role rather than a permanent purpose.

be employed as

Commonly used when referring to people in roles or specific tools in a process.

be applied as

Refers specifically to the application of a method, substance or rule.

be repurposed as

Implies that the subject's original use has been changed to a new one.

operate as

Focuses on the mechanical or systemic role of the subject.

be exploited as

Often carries a connotation of taking advantage of a specific quality for gain.

work as

A simpler, more idiomatic way to describe a role or function in casual speech.

FAQs

How do I use "be used as" in a sentence?

You can use it to describe an alternative function for something. For example, "An old crate can "serve as" a coffee table" is synonymous with saying it can "be used as" one.

What is the difference between "be used as" and "be used for"?

Use "as" to indicate a role or identity, like "it can "be used as" a weapon". Use "for" to indicate a specific activity, like "it can "be used for" protection".

Can I use "be used like" instead?

Usually, no. "be used as" implies the object actually takes on that role, whereas "be used like" implies a comparison of similarity without the object necessarily being that thing.

Is "be used as" too informal for academic writing?

It is perfectly acceptable, but for variety, academic writers often prefer "be utilized as" or "function as" to provide a more specific tone.