protects against

USAGE SUMMARY

'protects against' is a grammatically correct and commonly used phrase in written English.
For example: The vaccine protects against the virus.

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

And it protects against slip-ups, too.

The Economist

Vitamin E protects against prostate cancer.

The New York Times

Pneumovax protects against 23 common types and Prevnar protects against 13 types.

Harvard University

We find that sunlight strongly protects against influenza.

Harvard University

This protects against the misuse of the user's real data.

Columbia University

Nicotinamide N-methyltransferase knockdown protects against diet-induced obesity.

Harvard University

Triglyceride accumulation protects against fatty acid-induced lipotoxicity.

Harvard University

It protects against cheating, using proctored exam sites.

University of California, Berkeley

In addition, BAC also protects against hyperlipidemia and liver injury.

Biomedicine & Pharmacotherapy

By rejecting misfolded proteins, the QCS protects against aberrant activity.

Trends in Pharmacological Sciences

Vitamin D protects against colorectal cancer through unclear mechanisms.

Gastroenterology

Expert writing Tips

Best practice

When writing about preventative measures, use "protects against" to clearly indicate the specific threat or undesirable outcome being avoided. For example, "The sunscreen protects against harmful UV rays."

Common error

While "protects against" is versatile, avoid using it excessively in casual conversation. Simpler alternatives like "guards", "defends" or even just "helps" might sound more natural. For example, instead of saying "This jacket protects against the cold", you could say "This jacket helps with the cold."

Linguistic Context

The phrase "protects against" functions primarily as a verb phrase expressing a preventative action or defense mechanism. Ludwig AI shows the phrase is frequently used to describe how something prevents harm, damage, or undesirable outcomes, as seen in examples like vaccines protecting against diseases or coatings protecting against corrosion.

Expression frequency: Very common

Frequent in

Science

45%

News & Media

30%

Academia

15%

Less common in

Wiki

3%

Formal & Business

7%

Ludwig's WRAP-UP

In summary, "protects against" is a common and grammatically correct phrase used to describe preventative actions, defenses, or safeguards. It is frequently found in scientific, news, and academic contexts. Ludwig AI confirms its widespread usage, indicating its versatility. While generally neutral in tone, it can be perceived as slightly formal. When using the phrase, ensure it clearly conveys the specific threat or undesirable outcome that is being avoided. For more informal situations, consider alternatives such as "guards against" or "shields from".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

guards against

This alternative emphasizes vigilance and active defense.

shields from

This suggests a barrier or covering that deflects harm.

defends from

This emphasizes a proactive stance in warding off threats.

safeguards from

This implies ensuring safety and security, often in a formal context.

wards off

Suggests preventing something from approaching or affecting.

inoculates against

Specifically refers to providing immunity, often in a medical context.

fortifies against

Suggests strengthening defenses against something.

mitigates

Reduces the severity or impact of something negative.

counteracts

Acts against something to reduce its effect.

insulates from

Implies preventing exposure to something.

FAQs

How can I use "protects against" in a sentence?

"Protects against" is used to describe how something prevents harm or damage. For example, "The vaccine protects against measles" or "This coating protects against rust".

What are some alternatives to "protects against"?

Depending on the context, you could use "guards against", "shields from", or "defends from". Each alternative offers a slightly different nuance.

Is it better to say "protects against" or "protects from"?

Both "protects against" and "protects from" are grammatically correct and commonly used. The choice often depends on personal preference or stylistic considerations, though "protects against" is slightly more common in formal writing.

What does it mean when something "protects against" something else?

It means that the first thing acts as a barrier or defense, reducing the likelihood or severity of the negative effects of the second thing. For example, "Wearing a helmet protects against head injuries".