efficacy

Noun

Meaning

Power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting disease; the efficacy of prayer.

Source: Webster's dictionary

Synonyms

force efficiency potency power value energy success influence performance capacity impact capability utility effectiveness strength
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Antonyms

inefficacy failure inability deception injustice incompetence
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Hypernyms

effectiveness effectualness effectivity effectuality

Related terms

effect effector effective efficiency efficient effectiveness

Examples

concern about the safety and efficacy of the vaccine Source: Internet

According to the World Health Organization, about 140 vaccines are being developed and 16 of them have reached the stage of safety and efficacy confirmation in clinical trials. Source: Internet

Additionally, there have been numerous animal and other experimental clinical trials evaluating the efficacy of bacteriophages for various diseases, such as infected burns and wounds, and cystic fibrosis associated lung infections, among others. Source: Internet

Although it was already common to wear a mask in Taiwan, the country's approach to disinformation was a major factor in convincing the population of the efficacy of masks and hand-washing. Source: Internet

Although it's clear that they are less toxic than their predecessors, barbiturates, comparative efficacy over benzodiazepines have not been established. Source: Internet

After 2000, and more so following the results of the 2016 elections, academics and journalists have been raising questions over the efficacy of the system that does not allow a candidate who has won the popular vote to become the president of America. Source: Internet

Close letter words and terms

efficaciously efficaciousness efficacity efficience efficiency efficiency apartment