Definition of effectiveness in English:

effectiveness

noun

  • [mass noun] The degree to which something is successful in producing a desired result; success:

    ‘the effectiveness of the treatment’
    • ‘He would argue that their effectiveness depends on the support of major powers.’
    • ‘What it may lack in song structure it makes up for in real, tangible, effectiveness.’
    • ‘They have been put in place over centuries to protect the effectiveness of the fighting force.’
    • ‘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.’
    success, successfulness, efficacy, productiveness, fruitfulness, potency, power
    benefit, advantage, value, virtue, use, usefulness
    effectuality, constructiveness
    View synonyms

Pronunciation

effectiveness

/ɪˈfɛktɪvnəs/