Thesaurus.com
Dictionary.com
Definitions

effectiveness

[ih-fek-tiv-nis, ee-fek‐] / ɪˈfɛk tɪv nɪs, iˈfɛk‐ /




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 next step will be early stage clinical trials to evaluate the safety and effectiveness of the treatment in people with solid tumors and blood cancers.

From Science Daily • Jun. 9, 2026

To address this issue, Mody trains APCs in paracervical blocks and is currently conducting three studies to further evaluate the procedure’s effectiveness.

From Slate • Jun. 7, 2026

Earlier this week British government officials said they had ruled out introducing temperature checks at UK airports for flights arriving from affected regions because of their limited effectiveness.

From BBC • Jun. 5, 2026

But others in the bloc, including France and Spain, have questioned their effectiveness.

From Barron's • Jun. 1, 2026

The effectiveness of the fly dope ointment wore off after about a half hour—partly because they were sweating profusely from the intense heat.

From "Death on the River of Doubt" by Samantha Seiple




Vocabulary lists containing effectiveness


Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "effectiveness" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com