effective, effectual, efficient, efficacious mean producing or capable of producing a result. effective stresses the actual production of or the power to produce an effect.

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

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

Effectiveness or effectivity[1] is the capability of producing a desired result or the ability to produce desired output. When something is deemed effective, it means it has an intended or expected …

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

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

/ɪˈfɛkɾɪvnɪs/ /əˈfɛktɪvnɪs/ IPA guide Definitions of effectiveness noun power to be effective; the quality of being able to bring about an effect synonyms: effectivity, effectuality, effectualness

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

effectiveness, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Jul 26, 2025 · ‘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 …