it is efficacious

USAGE SUMMARY

The phrase "it is efficacious" is correct and usable in written English.
You can use it when discussing the effectiveness or ability of something to produce a desired result, often in a formal or academic context. Example: "The new treatment has been shown to be efficacious in reducing symptoms of the disease."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

24 human-written examples

This argument ignores the possibility that, even when a treatment is efficacious, there may be type 2 errors (i.e. failure to find efficacy of a treatment even when it is efficacious).

Arthritis Research and Therapy

"I think what they should say is there is not enough evidence to state whether it is efficacious".

The New York Times

Under this situation, the link's travel time related relationship can be inferred, and it is efficacious for planners or engineers to make a decision for a long time.

Physica A: Statistical Mechanics and its Applications

'That means that, if further studies show it is efficacious, we could start giving it to patients in only a few years, and not have to wait for lengthy clinical safety trials to be completed.

The Guardian

The issue was whether the supernatural grace in question is efficacious by itself, in other words, intrinsically efficacious, or whether it is efficacious only by virtue of the independent, divinely foreknown cooperation of the one who receives the grace (Vansteenberghe 1928, #2154 65).

SEP

Monsanto, which makes Roundup, claims that since its discovery in the early 1970's, glyphosate has become the world's most widely used herbicide "because it is efficacious, economical and environmentally benign".

Huffington Post

Human-verified similar examples from authoritative sources

Similar Expressions

36 human-written examples

It was efficacious against B-RAF as well as K-Ras driven xenograft models and showed despite being orally bioavailable and not a P-glycoprotein substrate much lower brain/plasma exposure ratios than PD325901.

Bioorganic & Medicinal Chemistry Letters

If a single property is both mental and physical, Completeness and No Overdetermination force us to say that it's efficacious only qua physical, not qua mental.

SEP

While it did not protect against sexually transmitted infections (STIs), it was efficacious, user-controlled, and could be used without a partner's knowledge.

Vice

a) it's more efficacious b) it's more dangerous c) it's not dangerous, but it's efficacious 17.

BMC Pediatrics

33 The trial showed that early administration of high-dose rosuvastatin (40 mg) could improve coronary microvascular function and short-term outcome in patients treated with PCI for acute myocardial infarction, and it was efficacious and safe.

Clinical interventions in aging

Expert writing Tips

Best practice

Use "it is efficacious" in formal writing or scientific contexts where a precise and somewhat elevated tone is appropriate. Ensure the subject you're describing truly demonstrates a proven ability to produce the desired effect.

Common error

Avoid using "it is efficacious" in casual conversations or informal writing. The phrase can sound overly formal or pretentious in everyday settings; simpler alternatives like "it works well" or "it's effective" are usually more suitable.

Linguistic Context

The phrase "it is efficacious" functions as a predicate adjective, describing the subject's ability to produce a desired result or effect. Ludwig AI confirms this usage through numerous examples from scientific and news sources.

Expression frequency: Common

Frequent in

Science

65%

News & Media

25%

Encyclopedias

5%

Less common in

Wiki

3%

Academia

2%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, the phrase "it is efficacious" is a grammatically sound and formal way to describe something's effectiveness, as confirmed by Ludwig AI. While appropriate for scientific and formal contexts, simpler alternatives may be better suited for casual use. The phrase is most commonly found in scientific publications and news reports, signaling its formal register. When choosing this phrase, consider your audience and the overall tone of your writing to ensure it aligns with the intended message.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

it is effective

Uses a more common and less formal word for describing something that produces a desired result.

it is successful

Emphasizes the positive outcome or achievement resulting from the thing being described.

it is efficient

Focuses on the ability to achieve a desired result without wasting resources or effort.

it is potent

Highlights the strength or power of something to produce a particular effect.

it is beneficial

Stresses the positive or helpful aspects of something.

it is advantageous

Indicates that something provides a benefit or puts someone in a better position.

it is productive

Highlights the ability to generate significant results or outputs.

it is worthwhile

Suggests that the effort or investment is justified by the expected outcome.

it is valuable

Emphasizes the importance or usefulness of something.

it delivers results

Focuses on the tangible outcomes or achievements produced.

FAQs

What does "it is efficacious" mean?

The phrase "it is efficacious" means that something is effective in producing a desired or intended result. It's often used in formal or technical contexts to describe the potency or success of a treatment, method, or intervention.

When is it appropriate to use "it is efficacious"?

Use "it is efficacious" primarily in formal writing, scientific reports, or academic discussions where a precise and somewhat elevated tone is appropriate. In casual conversation, consider using simpler alternatives.

What are some alternatives to "it is efficacious"?

Some alternatives include "it is effective", "it is successful", or "it is efficient", depending on the specific nuance you want to convey.

Is "it is efficacious" different from "it is effective"?

While both phrases indicate something achieves the desired result, "it is efficacious" is generally considered more formal and suggests a proven or demonstrated effectiveness, often in a scientific or medical context. "It is effective" is a broader term that can apply in more general situations.