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effectiveness

[ ih-fek-tiv-nis, ee-fek‐ ]
/ ɪˈfɛk tɪv nɪs, iˈfɛk‐ /
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noun
the fact or quality of producing the intended or desired result:For maximum effectiveness of your weight loss plan, you need to combine walking with a healthy diet.
the fact or quality of producing a deep or vivid impression:We were enthralled by the evident appeal and effectiveness of these short, dramatic, upbeat video stories.
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Rarely ef·fec·tiv·i·ty [ih-fek-tiv-i-tee, ee-fek-] /ɪˌfɛkˈtɪv ɪ ti, iˌfɛk-/ .

Origin of effectiveness

OTHER WORDS FROM effectiveness

sub·ef·fec·tive·ness, nounsu·per·ef·fec·tive·ness, nounun·ef·fec·tive·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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