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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"

    More definitions, origin and scrabble points

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

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

  5. Jun 6, 2017 · Definition of effectiveness noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  6. 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 outcome, or produces a deep, vivid impression. [2] Etymology.

  7. adjective. uk / ɪˈfek.tɪv / us / əˈfek.tɪv / effective adjective (SUCCESSFUL) Add to word list. B2. successful or achieving the results that you want: The lighting for the production made a very effective use of shadow. She's a very effective teacher. This style of decoration is simple yet effective. Opposite. ineffective.

  8. 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.

  9. Definitions of effectiveness. 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.

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

  11. having great power or force or potency or effect. useful, utile. being of use or service. see more. adjective. works well as a means or remedy.