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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.

Soldiers there recently showcased Italian shotguns newly purchased for drone defense and flew first-person drones into defensive nets to show their effectiveness.

From The Wall Street Journal • Jun. 24, 2026

However, the rapid proliferation of advanced antiaircraft missiles by foreign adversaries has diminished the effectiveness of this strategy.

From MarketWatch • Jun. 24, 2026

"Farmers often expect immediate results and sometimes use only one type of biofertiliser, which limits effectiveness," he said.

From Barron's • Jun. 16, 2026

"It was always made explicit in the deal that the terms of the deal would expire… The sunset clauses in effect nullify their effectiveness," he argues.

From BBC • Jun. 13, 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




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