Thesaurus.com
Dictionary.com
Showing results for effectiveness. Search instead for effective united.
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.

There’s a chunk of code for a memory system to keep the context of conversations going without overloading the AI with too much information—a problem known to amplify hallucinations and reduce the effectiveness of guardrails.

From The Wall Street Journal • Apr. 17, 2026

In March 2025, Kennedy issued a statement that noted vaccines’ effectiveness in preventing measles’ spread, but stopped short of outright recommending that parents vaccinate their children.

From Los Angeles Times • Apr. 16, 2026

By analysing millions of their genetic variants, the researchers found a pattern suggesting a link between some variants and the effectiveness of the drugs.

From BBC • Apr. 8, 2026

If developed for human use, this type of male contraceptive could be delivered as an injection given every three months or possibly as a patch to maintain effectiveness, Cohen said.

From Science Daily • Apr. 7, 2026

It was like old Mission Impossible reruns on TV: Your mission, if you decide to accept it, is to get inside this computerized robot, discover how it operates, and neutralize its effectiveness.

From "The Great Gilly Hopkins" by Katherine Paterson




Vocabulary lists containing effectiveness