effective
Usage
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The key to the Jackrabbits returning to the top in the Moore League will be whether they can develop their offensive line to be effective.
From Los Angeles Times ● Aug. 19, 2026
Investors and researchers will be watching closely to see how effective and tolerable the vaccine proves to be, as that has the potential to dictate its chances for approval and how widely it is used.
From The Wall Street Journal ● Aug. 19, 2026
It added it had recently refreshed its standards setting out how services should provide safe and effective care for those with communication needs.
From BBC ● Aug. 19, 2026
The technology was first conceived decades ago but came to the fore during the Covid-19 pandemic, when Moderna and Pfizer developed vaccines that were highly effective against serious forms of the illness.
From Barron's ● Aug. 19, 2026
The controlled binding and unbinding of iron and oxygen—the cyclical rusting and unrusting of blood—allows effective oxygen delivery into tissues.
From "The Gene" by Siddhartha Mukherjee
Vocabulary lists containing effective
"Diary of a Wimpy Kid" by Jeff Kinney
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Hatchet
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STAAR English I: The Language of the Test 1
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