not yet ascertained

USAGE SUMMARY

The phrase "not yet ascertained" is correct and usable in written English.
It can be used when referring to information or facts that have not been determined or confirmed at a particular point in time. Example: "The cause of the incident is not yet ascertained, and further investigation is required."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

5 human-written examples

"So far we have not yet ascertained who planted them there but the investigation and tests are ongoing".

Independent

A senior State Department official said Washington had not yet ascertained it was sarin.

Huffington Post

The committee's report stated that the clause defining the northern boundary depended on "a fact not yet ascertained" (the latitude of the southern extreme of Lake Michigan), and the members "thought it unnecessary to take it [the provision], at the time, into consideration".

Wikipedia

We have not yet ascertained the importance of these elements in driving gene expression.

BMC Plant Biology

About 40% of the Ditrame-Plus children were formula-fed while their HIV-status was not yet ascertained, exposing formula-fed HIV-infected children to an increased mortality risk.

BMC Public Health

Human-verified similar examples from authoritative sources

Similar Expressions

55 human-written examples

The committee, part of the National Bureau of Economic Research, announced on Monday that it could not yet ascertain a trough signifying the end of the contraction and the start of an expansion.

The New York Times

"The identity of Mrs Simpson's secret lover has not yet been ascertained.

The Guardian

The causes of their deaths have not yet been ascertained, and Leicestershire Police were keen to underline that their enquiries are still at an early stage.

Independent

Although dependent on the TM of the 5T4 molecule, the precise nature and stability of the interaction has not yet been ascertained.

Plosone

Consequently, its precise chemical composition, structure and biosynthetic route have not yet been ascertained (Meuter-Gerhards et al. 1999).

AoB PLANTS

44 The role of individual drugs for the treatment of XDR-TB cases has not yet been ascertained.

Clinical Epidemiology

Expert writing Tips

Best practice

When using "not yet ascertained", ensure that the context clearly indicates who is attempting to ascertain the information and why it is important. This provides clarity and emphasizes the ongoing nature of the inquiry.

Common error

Avoid using "not yet ascertained" excessively in informal contexts. Simpler alternatives such as "unknown" or "undetermined" may be more appropriate for everyday communication.

Linguistic Context

The phrase "not yet ascertained" functions as a descriptive qualifier, indicating that a piece of information or a fact has not been definitively established or determined at the time of speaking or writing. Ludwig examples show its usage across various contexts, including news and scientific reports.

Expression frequency: Uncommon

Frequent in

Science

50%

News & Media

41%

Formal & Business

9%

Less common in

Ludwig's WRAP-UP

The phrase "not yet ascertained" is a grammatically correct way to indicate that something has not been definitively determined. Ludwig AI indicates that this phrase is usable in written English and often signals the need for further investigation. While relatively uncommon, it appears primarily in formal and scientific contexts. When writing, it's beneficial to ensure that the context clearly shows who is trying to find out the information and why it matters. For more informal situations, simpler words like "unknown" or "undetermined" may be a better choice.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

still undetermined

Replaces "ascertained" with "determined", emphasizing the lack of a final decision or conclusion.

presently unknown

Substitutes "not yet ascertained" with "presently unknown", focusing on the current state of being without knowledge.

currently unconfirmed

Changes "ascertained" to "unconfirmed", highlighting the absence of verification or validation.

not definitively established

Replaces "ascertained" with "definitively established", adding emphasis on the lack of a firm conclusion.

awaiting confirmation

Uses a more active construction, indicating that confirmation is expected but has not yet occurred.

remains to be seen

Expresses uncertainty about a future outcome or discovery.

under investigation

Shifts the focus to the process of finding out, rather than the current lack of knowledge.

not fully understood

Emphasizes a lack of comprehensive knowledge or comprehension.

subject to further inquiry

Highlights the need for additional investigation and information gathering.

inconclusive at this stage

Indicates that the information available is insufficient to draw a firm conclusion.

FAQs

What does "not yet ascertained" mean?

The phrase "not yet ascertained" means that something has not been definitely determined or established. It indicates that more information or investigation is needed.

What can I say instead of "not yet ascertained"?

You can use alternatives like "still undetermined", "currently unknown", or "not yet determined" depending on the context.

How formal is the phrase "not yet ascertained"?

The phrase "not yet ascertained" is quite formal and is often used in academic, scientific, or legal contexts. In more casual settings, simpler phrases might be preferred.

Is it correct to say "not been ascertained yet" instead of "not yet ascertained"?

Both phrases are grammatically acceptable, but "not yet ascertained" is often preferred for its conciseness and flow. "Not been ascertained yet" places more emphasis on the action of ascertaining and the timing, but can sound slightly less polished. The choice depends on the desired emphasis and context.