Dictionary.com

effectiveness

[ ih-fek-tiv-nis, ee-fek‐ ]
/ ɪˈfɛk tɪv nɪs, iˈfɛk‐ /
Save This Word!

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.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?
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. 2022

How to use effectiveness in a sentence

FEEDBACK