UseInSentence Examples of words in sentences

Efficacy in a Sentence

Examples of efficacy in a sentence

Efficacy is a pretty challenging word, but we're here to help you better understand it...with EXAMPLES!

When learning new words, it's important to see how they're used, or to see them in the different contexts in which they're often used, and that's just what we'll do to help you better understand efficacy (and many other English words!). By seeing different ways you can use efficacy in a sentence, as well as synonyms and antonyms of efficacy, you will have a much better grasp on how it should be used, and you'll feel more confortable with using it much sooner.

Below you will find the definition of efficacy, followed by 38 sample sentences (from real sources), gradually increasing in length.


(noun) - capacity or power to produce a desired effect

View more definitions below

EXAMPLES - Efficacy in a Sentence

  1. So far, all the tests have been for short term efficacy of the device. (source)
  2. The findings confirm the long-term efficacy, safety and tolerability of Azilect (source)
  3. I don't agree that letting the "market" determine efficacy is such a great idea. (source)
  4. Long-term efficacy of perioperative chemoradiotherapy on esophageal squamous cell carcinoma. (source)
  5. If duration of efficacy is less than fifteen years, then no cancers are prevented, only postponed. (source)
  6. These results confirm the long-term efficacy of AHCT for patients with DLBCL after induction failure. (source)
  7. Evolution of resistance by target pests is the main threat to the long-term efficacy of crops expressing (source)
  8. Determining social outcomes that support individual satisfaction in order to promote efficacy is part of it. (source)
  9. Its efficacy is open to debate but it nevertheless occupies a tiny but interesting niche in social relations. (source)
  10. Interventions (define interventions) in preadolescent children show greater long-term efficacy than in adults. (source)
  11. It said the current research programme on nevirapine was to establish both the long term efficacy and resistance to the drug. (source)
  12. Doebbeling BN, Reagan DR, Pfaller MA, Houston AK, Hollis RJ, et al. (1994) Long-term efficacy of intranasal mupirocin ointment. (source)
  13. Dr. Goldenberg and colleagues assessed long-term efficacy by acquiring post-trial mortality data from National Death Registries. (source)
  14. The have limited long-term efficacy in genotype 1 patients (the most common HCV genotype seen in the U.S. and much of the world). (source)
  15. Modelling is particularly important since it allows us to both estimate global-scale and long-term efficacy / consequences, and to explore (source)
  16. Morgan and Travis (1989) and Morgan et al. (1995) dispute the long-term efficacy of such corrective feedback; Bohannonn et al. 1996 respond. (source)
  17. But markets remain unsettled about both the longer-term efficacy of proposed austerity measures as well as their potential impacts on growth. (source)
  18. We also assessed peripheral markers of short-term efficacy that were shown to be altered in the early stages of HD, that is, low serum IGF1 and (source)
  19. Bartolomei F, Hayashi M, Tamura M, Rey M, Fischer C, et al. (2008) Long-term efficacy of gamma knife radiosurgery in mesial temporal lobe epilepsy. (source)
  20. That jeopardizes the credibility and long-term efficacy, not just of the caring people you smear, but of the caring people you attach yourselves to. (source)
  21. However, some serious complications were documented and there is limited evidence attest to the safety and long-term efficacy of the STARR procedure. (source)
  22. "I am fairly skeptical about the long-term efficacy of this intervention," said Yunosuke Ikeda, chief foreign-exchange strategist at Nomura Securities Co. (source)
  23. The available information largely describes the effects of IGRs when applied to grain, and their long-term efficacy against Curculionidae and Tenebrionidae. (source)
  24. Although violent confrontations between police and coca growers / distributors have decreased under the new approach, its long-term efficacy remains to be proven. (source)
  25. Substitution of NNS for a nutritive sweetener generally elicits incomplete energy compensation, but evidence of long-term efficacy for weight management is not available. (source)
  26. However, very little is still known about long-term efficacy and side effects of utilizing this treatment at early disease onset in children suffering from primary generalized dystonia. (source)
  27. The government has been very cautious in administering AZT, as well as Nevirapine to pregnant HIV-positive mothers saying that the long-term efficacy of anti-Aids drugs had yet to be proved. (source)
  28. For newly diagnosed type 2 diabetes, waiting until lifestyle measures fail before starting metformin may jeopardize the long-term efficacy of the drug, a large clinical database analysis showed. (source)
  29. In addition, while the vaccine has been shown to possibly influence against HPV infection in the short term, there is no evidence of its long-term efficacy or that it actually lowers cancer rates. (source)
  30. Because the short-term efficacy of their terror trial fear campaign will cease to work - and in fact will backfire - if the trials end up proceeding in orderly fashion and producing guilty verdicts. (source)
  31. Most treatments for dementing disorders currently under development aim to block the buildup of poisonous proteins in the brain, but the long-term efficacy and safety of these approaches remains unknown. (source)
  32. With regard to the matter of Nevirapine, it was emphasised that the current programme is one of research to establish both the long-term efficacy of the drug, resistance to the drug and other operational challenges. (source)
  33. If this approach is successful, the long term efficacy of one time administered hemophilia B gene therapy is expected to be perceived as a significant advance over the current regular dosing of recombinant Factor IX. (source)
  34. Studies have been carried out on the short-term efficacy of pyrethroid-treated mosquito nets on malaria vectors and disease in many parts of the world; some with positive results, others inconclusive or contradictory. (source)
  35. Hankins, Hoekstra and Skiba concluded that "While we cannot be sure that homeowners or other beneficiaries of government aid would respond in the same way lottery winners did, the results may warrant some skepticism about the long term efficacy of such a bailout." (source)
  36. In my own clumsy way I am merely trying to point out that thinking that you can understand Buddhist practice and thought without experiencing them and accepting the possibility of their efficacy is kind of like pretending to understand science while disbelieving the validity of mathematics. (source)
  37. We are confident that Copaxone sales leadership, although the last 10 years will continue and that is unsurpassed long-term efficacy, safety and tolerability established over 1 million years of patient experience will enable Copaxone to remain well-positioned even as new all (ph) therapies come to market. (source)
  38. This study compared the long-term efficacy and safety of the oral direct thrombin inhibitor dabigatran etexilate with the current standard therapy, warfarin (target international normalized ratio, INR, 2-3) for the prevention of stroke and non-CNS systemic embolism in patients with atrial fibrillation (AF). (source)

Sentence Information

The average Flesch reading-ease score of the 38 example sentences provided below is 33.0, which suggests that "efficacy" is a difficult word that tends to be used by individuals of higher education, and is likely found in more advanced literature or in academia.


We have 22 synonyms for efficacy.

ability, adequacy, capability, capableness, capacity, competence, effect, effectiveness, efficaciousness, energy, force, influence, performance, potency, power, strength, success, sufficiency, use, vigor, virtue, weight


We have 17 antonyms for efficacy.

enervation, failure, idleness, impotence, inability, inactivity, inadequacy, incapacity, incompetence, ineffectiveness, inefficacy, inefficiency, lethargy, powerlessness, unproductiveness, uselessness, weakness


Pronunciation: (ĕfˈĭ-kə-sē)

Syllabification: ef-fi-ca-cy


View up to 25 definitions of efficacy from 5 different sources, as well as parts of speech.

from The American Heritage© Dictionary of the English Language, 4th Edition
  1. (noun) Power or capacity to produce a desired effect; effectiveness.

from Wiktionary, Creative Commons Attribution/Share-Alike License
  1. (noun) Ability to produce a desired amount of a desired effect.

from the GNU version of the Collaborative International Dictionary of English
  1. (noun) Power to produce effects; operation or energy of an agent or force; production of the effect intended

from The Century Dictionary and Cyclopedia
  1. (noun) The quality of being efficacious or effectual; production of, or the capacity of producing, the effect intended or desired; effectiveness.
  2. (noun) Synonyms Efficiency, etc. (see effectiveness); virtue, force, energy.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  1. (noun) capacity or power to produce a desired effect