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    Ef·fec·tive·ness
    /əˈfektivnəs/

    noun

    • 1. the degree to which something is successful in producing a desired result; success: "the effectiveness of the treatment"
  2. Synonyms for EFFECTIVENESS: conclusiveness, validity, strength, authority, persuasiveness, credibility, soundness, forcefulness; Antonyms of EFFECTIVENESS: ineffectiveness, inconclusiveness, invalidity, ineffectuality, unsoundness, ineffectualness, weakness, shakiness.

  3. Find 29 different ways to say EFFECTIVENESS, along with antonyms, related words, and example sentences at Thesaurus.com.

  4. Synonyms for EFFECTIVE: efficient, productive, potent, adequate, efficacious, effectual, operative, useful; Antonyms of EFFECTIVE: ineffective, useless, inefficient, ineffectual, unproductive, fruitless, inoperative, incapable.

  5. n. # appropriateness. virtue. n. # worth , speech. Another way to say Effectiveness? Synonyms for Effectiveness (other words and phrases for Effectiveness).

  6. Find 2,542 synonyms for effectiveness and other similar words that you can use instead based on 13 separate contexts from our thesaurus.

  7. 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.

  8. effectiveness. noun. These are words and phrases related to effectiveness. Click on any word or phrase to go to its thesaurus page. Or, go to the definition of effectiveness. The new remedy had more effectiveness than the old one.

  9. What's the definition of Effectiveness in thesaurus? Most related words/phrases with sentence examples define Effectiveness meaning and usage.

  10. Synonyms for effectiveness in Free Thesaurus. Antonyms for effectiveness. 26 synonyms for effectiveness: power, effect, efficiency, success, strength, capability, use, validity, usefulness, potency, efficacy, fruitfulness....

  11. Synonyms for EFFECTIVENESS in English: power, effect, efficiency, success, strength, capability, use, validity, usefulness, potency, …

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