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  1. Dictionary
    effectiveness
    /ɪˈfɛktɪvnɪs/

    noun

    • 1. the degree to which something is successful in producing a desired result; success: "the effectiveness of the treatment"

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    More definitions, origin and scrabble points

  2. dictionary.cambridge.org › dictionary › englishEFFECTIVENESS | English meaning - Cambridge Dictionary

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

  3. www.merriam-webster.com › dictionary › effectivenessEffectiveness Definition & Meaning - Merriam-Webster

    The meaning of EFFECTIVE is producing a decided, decisive, or desired effect. How to use effective in a sentence. Comparing Efficient, Effective, and Proficient Synonym Discussion of Effective.

  4. www.dictionary.com › browse › effectivenessEFFECTIVENESS Definition & Meaning | Dictionary.com

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

  5. www.thefreedictionary.com › effectivenessEffectiveness - definition of effectiveness by The Free...

    adj. 1. a. Having an intended or expected effect. b. Producing a strong impression or response; striking: gave an effective performance as Othello. 2. Operative; in effect: The law is effective immediately. 3. Existing in fact; actual: a decline in the effective demand. 4. Prepared for use or action, especially in combat. n.

  6. www.vocabulary.com › dictionary › effectivenessEffectiveness - Definition, Meaning & Synonyms | Vocabulary.com

    noun. power to be effective; the quality of being able to bring about an effect. synonyms: effectivity, effectuality, effectualness. see more. noun. capacity to produce strong physiological or chemical effects. synonyms: potency, strength. see more.

  7. dictionary.cambridge.org › dictionary › englishEFFECTIVE | English meaning - Cambridge Dictionary

    EFFECTIVE definition: 1. successful or achieving the results that you want: 2. (used about a treatment or drug) working…. Learn more.

  8. www.oxfordlearnersdictionaries.com › us › definitioneffectiveness noun - Definition, pictures, pronunciation and...

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

  9. www.ldoceonline.com › dictionary › effectiveeffective | meaning of effective in Longman Dictionary of ... -...

    effective meaning, definition, what is effective: successful, and working in the way that ...: Learn more.

  10. www.oxfordlearnersdictionaries.com › definition › englisheffective adjective - Definition, pictures, pronunciation and...

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

  11. www.dictionary.com › e › effectiveness-vs-efficacy-vs-efficiency-when-to-use-eachEffectiveness vs. Efficacy vs. Efficiency – Differences |...

    Feb 26, 2021 · What does effectiveness mean? Effectiveness is the main noun form of the adjective effective, which means “adequate to accomplish a purpose; producing the intended or expected result.” (Another, less common noun form of effective is effectivity .)