Words similar to impactful

Example sentences for: impactful

How can you use “impactful” in a sentence? Here are some example sentences to help you improve your vocabulary:

Nonetheless, since nothing works in this situation, I would like to take up your notion that the Internet is not as impactful as communications mediums before it, like the printing press, the telegraph, the telephone, and, finally, television.
Tearfully, Ellie announces that her discovery represents "a profoundly impactful moment for humanity."