effectiveness (noun)

1. The effectiveness of the atomic bombs was demonstrated during World War II.

2. The sorcerer's spell had an unexpected effectiveness, instantly transporting the protagonist to a different realm.

3. The mythical creature's venom had a remarkable effectiveness, paralyzing its victims instantly.

4. In the futuristic world of the novel, the brain implant had an unparalleled effectiveness in enhancing human abilities.

1. The effectiveness of the prayers was evident when the sick person regained their health.

2. The special effects in the movie added to its effectiveness and made it an enjoyable experience.

3. The effectiveness of the love letter was evident when it brought tears to her eyes.

4. The effectiveness of the author's use of symbolism enhanced the meaning of the story.