effectiveness
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.
One dose of the vaccine is 93% effective at preventing measles; a second dose boosts effectiveness even further — to 97%, according to the CDC.
From Los Angeles Times • May 6, 2026
The agency first approved mifepristone in 2000, after evaluation of rigorous studies demonstrating its effectiveness and safety.
From Slate • May 4, 2026
The median length of antidepressant treatment in the U.S. is five years, another study found, despite limited evidence about the effectiveness of such long-term use.
From The Wall Street Journal • May 4, 2026
It added that adhering to the existing index rules could “prevent such IPOs’ timely index inclusion and impact the overall index’s effectiveness as a benchmark.”
From Barron's • May 1, 2026
Livingston also was perplexed about his inability to coax the protons to more than seventy-five accelerating steps, a mysterious constraint on the machine’s effectiveness.
From "Big Science" by Michael Hiltzik
Vocabulary lists containing effectiveness
Reading: Informational - Middle School
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Media Literacy - High School
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Media Literacy - Middle School
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
