Meaning of the word effectiveness in English

What does effectiveness mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

effectiveness

US /əˈfek.tɪv.nəs/

UK /ɪˈfek.tɪv.nəs/

the degree to which something is successful in producing a desired result; success

Example:

•

The effectiveness of the new policy is still being evaluated.

•

We need to improve the effectiveness of our marketing campaigns.

Synonym:

efficacy potency power strength success