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effectiveness Syllabification: ef·fec·tive·ness
Pronunciation: /iˈfektivnəs/

Definition of effectiveness in English:


The degree to which something is successful in producing a desired result; success: the effectiveness of the treatment
More example sentences
  • Such constraints restrict the effectiveness of all humanitarian interventions.
  • Assessments of effectiveness would be done during the period and at the end of the phase.
  • They have been put in place over centuries to protect the effectiveness of the fighting force.
success, productiveness, potency, power;
benefit, advantage, value, virtue, usefulness
formal efficacy

Definition of effectiveness in:

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an example or model...