certain that it functions

USAGE SUMMARY

The phrase "certain that it functions" is correct and usable in written English.
You can use it when expressing confidence in the operation or effectiveness of something, such as a device, system, or process. Example: "After thorough testing, I am certain that it functions as intended without any issues."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

While TAAR1 is inactivated in dogs, it is not certain that its function has been lost.

BMC Evolutionary Biology

However, regardless of the specific mechanisms and even whether the predicted psiRNA systems acts on RNA or on DNA, it appears certain that its main function is RNAi-mediated defense against alien replicons invading archaea and bacteria.

Biology Direct

There are certain proteins that function as a transport vehicle carrying different types of fat such as cholesterol, triglycerides, and phospholipids.

HuffPost

As was found for segmental duplications, also MSRs may be unstable DNA structures and therefore contain certain sequences that can function as a hotspot of structural genomic rearrangements.

BMC Genomics

Certainly, certain prehospital systems that function in the ALS model function extremely efficiently.

Critical Care

However, it differs from the FBI in that it performs certain counterintelligence functions overseas.

Britannica

Eyespot, also called stigma, a heavily pigmented region in certain one-celled organisms that apparently functions in light reception.

Encyclopedia Britannica

The aggregations contain no resources and therefore fit the definition of a lek, however, no aggression was observed between males nor is it certain that these sites actually function as display arenas.

Biological Reviews

I'm not all that certain that Mother Nature functions from the same emotional system of "anger-vengeance/love-reward" that human beings do.

Huffington Post

And if there is one thing that is certain, it's that terrorists cannot function without money.

Huffington Post

In fact is it impossible to say for certain that any gene function prediction is not simply due to the influence of multifunctionality.

Plosone

Expert writing Tips

Best practice

When using "certain that it functions", ensure the context provides clear evidence or reasoning for your certainty. Avoid using it based on mere assumption.

Common error

Avoid using "certain that it functions" when you lack concrete evidence. Overstating certainty can undermine your credibility if the functionality is later disproven.

Linguistic Context

The phrase "certain that it functions" serves as an assurance or affirmation regarding the operational state of something. It's used to convey confidence in the proper working of a device, system, or process, as illustrated by Ludwig AI.

Expression frequency: Common

Frequent in

Science

40%

News & Media

35%

Encyclopedias

25%

Less common in

Academia

0%

Formal & Business

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "certain that it functions" is a grammatically correct expression used to convey a strong belief or assurance that something is working as intended. Ludwig AI confirms its usability and correctness in written English. It is commonly found in scientific, news and encyclopedic contexts. While alternatives like "sure that it works" or "confident that it is functional" exist, this phrase provides a specific nuance of certainty, making it valuable in situations where reassurance and clarity are essential. Remember to use it judiciously, backing your claims with concrete evidence.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

sure that it works

Replaces "certain" with "sure", maintaining the same level of confidence but with a slightly more informal tone.

convinced that it operates

Substitutes "certain" with "convinced" and "functions" with "operates", indicating a strong belief in its operational capability.

confident that it is functional

Uses "confident" instead of "certain" and replaces "functions" with the adjective "functional", emphasizing its ability to perform.

positive that it's in working order

Replaces "certain" with "positive" and "functions" with a more descriptive phrase, indicating assurance about its operational state.

assured that it's effective

Changes "certain" to "assured" and "functions" to "effective", highlighting confidence in its ability to produce the desired result.

guaranteed that it'll work

Uses "guaranteed" for strong assurance and simplifies "functions" to "work", adding a more informal feel.

undoubtedly it is functioning

Replaces "certain" with "undoubtedly", emphasizing the lack of doubt about its operation.

I'm sure it's working properly

Adds a personal pronoun to create a more conversational and direct statement of certainty.

it definitely functions

Uses the adverb "definitely" to stress that something indeed functions.

it is guaranteed to function

Highlights an existing assurance about the function itself.

FAQs

What does "certain that it functions" mean?

The phrase "certain that it functions" expresses a strong belief or assurance that something is working as intended or is capable of performing its intended task. It indicates a high level of confidence in the operational capability of a device, system, or process.

How can I use "certain that it functions" in a sentence?

You can use "certain that it functions" when you want to convey your confidence in the proper working order of something. For example: "After rigorous testing, I am "certain that it functions" without any issues."

What are some alternatives to "certain that it functions"?

Alternatives include phrases like "sure that it works", "confident that it is functional", or "positive that it's in working order". The best choice depends on the specific nuance you want to convey.

When is it appropriate to use "certain that it functions"?

It's appropriate to use "certain that it functions" when you have strong evidence, experience, or testing results that support your belief in the proper operation of something. Avoid using it if your certainty is based on assumptions or incomplete information.