In medicine, effectiveness relates to how well a treatment works in practice, especially as shown in pragmatic clinical trials, as opposed to efficacy, which measures how well it works in explanatory …

Effective typically describes things—such as policies, treatments, arguments, and techniques—that do what they are intended to do. People can also be described as effective when they accomplish what …

EFFECTIVENESS definition: 1. the degree to which something is effective: 2. how well a particular treatment or drug works…. Learn more.

Define effectiveness. effectiveness synonyms, effectiveness pronunciation, effectiveness translation, English dictionary definition of effectiveness. adj. 1. a. Having an intended or expected effect. b. …

Definition of effectiveness noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

EFFECTIVENESS definition: the quality of producing an intended or desired result. See examples of effectiveness used in a sentence.

EFFECTIVENESS definition: productive of or capable of producing a result | Meaning, pronunciation, translations and examples

‘Effectiveness’ refers to the capability of achieving an intended or expected outcome. It indicates how well a task, method, or system works in practice, especially when evaluated by results.

When something is deemed effective, it means it has an intended or expected outcome, or produces a deep, vivid impression. Effectiveness refers to the degree to which something is successful in …

Jan 3, 2026 · Noun effectiveness (countable and uncountable, plural effectivenesses) The property of being effective, of achieving results.