Meaning & use
Effectiveness
Last updated
The degree to which something succeeds in producing a desired result.
See it in a sentence
Researchers measured the effectiveness of the new vaccine in clinical trials.
The manager questioned the effectiveness of the current marketing strategy.
A note on using this word
"Effectiveness" is often confused with "efficiency"; effectiveness asks whether something achieves its goal, while efficiency asks how economically it does so.
Words with a similar meaning
efficacysuccess
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
ineffectivenessfutility
Make it your own
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