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

See Examples For:

However, the trial was relatively small, and the subgroup results require confirmation in larger studies before any conclusions can be drawn about its effectiveness.

From Science Daily ● Oct. 24, 2026

Although the findings are encouraging, the researchers emphasize that additional studies are needed before the treatment's long-term effectiveness can be fully established.

From Science Daily ● Oct. 22, 2026

But researchers have repeatedly questioned its effectiveness in combating misinformation.

From Barron's ● Oct. 21, 2026

Fielder wants to use the sketch to illustrate how Holmes’s description of the effectiveness of the Theranos device was confusing.

From The Wall Street Journal ● Oct. 20, 2026

The psychologist Nalini Ambady once gave students three ten-second videotapes of a teacher—with the sound turned off—and found they had no difficulty at all coming up with a rating of the teacher’s effectiveness.

From "Blink" by Malcolm Gladwell


Vocabulary lists containing effectiveness

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Just like flashcards, but way more fun

Don't take our word for it. Leave the boring studying behind and join VocabTrainer today. You'll learn even faster and never look back.

Take me to Vocabulary.com