proof is still lacking

USAGE SUMMARY

The phrase "proof is still lacking" is correct and usable in written English.
It can be used when discussing the absence of evidence or verification for a claim or argument. Example: "While the theory is intriguing, proof is still lacking to support its validity."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

5 human-written examples

He reflects a Western consensus that Russia should not join their exclusive club until it proves it can play by Western rules, and that the proof is still lacking, despite Russia's promises of democratic and economic reform.

The New York Times

Nanos2 is a zinc finger protein residing in the cytoplasm, which was speculated to be involved in RNA binding and translational suppression similar to its Drosophila homolog, although direct experimental proof is still lacking.

Plosone

Consequently, these investigators propose that Gadd45 α could act as a stress sensor following bacterial invasion of epithelial cells, even if a mechanistic proof is still lacking.

Cell Death and Disease

Although the general inclination is to categorize autophagy as the activity that decreases ROS/RNS damage, experimental proof is still lacking regarding whether this is true for different species of ROS/RNS produced endogenously at different intracellular locations.

Biochemical Journal

Release of ferulic acid during fungal growth on potato suberin has been suggested to involve the activity of feruloyl esterases (Fae) [ 5], notwithstanding a direct proof is still lacking.

BMC Genomics

Human-verified similar examples from authoritative sources

Similar Expressions

54 human-written examples

Those areas are probably underlain by a hot uppermost mantle, but proof of that is still lacking.

Encyclopedia Britannica

It is tempting to propose that CDs and TADs are the same entities, although direct proof for this is still lacking.

Epigenetics and Chromatin

In addition to the small GTPase Ran, there is evidence that Aurora B kinase might also generate a spatial cue around chromosomes but direct proof for this is still lacking.

Chromosoma

The filopodial-phagocytosis and shedding-vesicle models have been presented, but convincing experimental proof for either model is still lacking.

Communicative and Integrative Biology

However, proof of envisioned efficacy is still lacking (Dr. James Voelker of Eli Lilly and Co. reported at the ASN Kidney Week 2014 that anti-TGFβ1 therapy in patients with advanced diabetic nephropathy with a humanized anti-TGFβ1 antibody LY2382770 in a phase II dose-ranging study was terminated early due to efficacy futility [ 22]).

Fibrogenesis and Tissue Repair

Here we investigated the first two of these questions in mouse, a mainstay of current retina research and one in which direct proof of rod input in cones is still lacking.

eLife

Expert writing Tips

Best practice

When using "proof is still lacking", ensure you clearly state what specific proof is absent and why its absence matters to your argument or analysis.

Common error

Avoid using "proof is still lacking" to dismiss an idea entirely. Acknowledge any existing evidence or rationale, even if definitive proof hasn't been established.

Linguistic Context

The phrase "proof is still lacking" functions as an assessment of the current state of evidence regarding a particular claim or hypothesis. It indicates that although there might be some indication or expectation of proof, definitive evidence is not yet available. According to Ludwig AI, it's grammatically correct and usable in written English.

Expression frequency: Rare

Frequent in

Science

80%

News & Media

20%

Formal & Business

0%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "proof is still lacking" is a grammatically sound expression used to indicate that definitive evidence for a claim remains absent. Predominantly found in scientific and news-related contexts, it serves to express caution or uncertainty, signaling the need for further investigation or substantiation. Ludwig AI confirms its correctness and usability. While alternatives exist, such as "evidence remains insufficient" or "validation is yet to be established", "proof is still lacking" effectively conveys the message that, despite potential indications or expectations, conclusive evidence has not yet materialized.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

evidence remains insufficient

Emphasizes the continuing inadequacy of the evidence.

validation is yet to be established

Focuses on the absence of confirmation or validation.

the case is not yet proven

Highlights the lack of a conclusive argument or demonstration.

demonstration is yet forthcoming

Implies that a demonstration or proof is expected but has not yet materialized.

confirmation remains outstanding

Stresses the missing element of verification or confirmation.

verification is yet to occur

Highlights that the act of verifying has not taken place.

substantiation is still outstanding

Indicates the need for more evidence to support a claim.

corroboration is still needed

Points out the requirement for additional supporting evidence.

the matter is unproven

States directly that the issue has not been proven.

evidence has not surfaced

Highlights the absence of evidence to support the topic being discussed.

FAQs

What does it mean when someone says "proof is still lacking"?

It means that despite some investigation or initial findings, there isn't enough solid evidence to definitively confirm a claim or theory.

How to use "proof is still lacking" in a sentence?

You can use it to acknowledge the absence of concrete evidence while discussing a topic. For example: "While promising, "evidence is still lacking" to support this new treatment's long-term efficacy."

What are some alternatives to "proof is still lacking"?

You can use alternatives like "evidence remains insufficient", "validation is yet to be established", or "the case is not yet proven" depending on the context.

What's the difference between "proof is still lacking" and "there is no proof"?

"Proof is still lacking" suggests that there might be some preliminary evidence or ongoing research, but nothing conclusive yet. "There is no proof" indicates a complete absence of evidence.