impactful

[im-pakt-fuhl] / ɪmˈpækt fəl /

ADJECTIVE

having a great effect

Synonyms

STRONGEST

impressive poignant stunning

STRONG

effective moving rousing sympathetic

WEAK

affecting cogent direct dynamic effectual emotional forceful gripping inspirational motivating potent provoking staggering stimulating stirring touching

Antonyms

STRONGEST

uninteresting unmoving

STRONG

unaffecting unemotional unimpressive

WEAK

fruitless impotent incapable ineffective weak

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.

Even though it may be a small percentage, Farzan said, “our results are clearly showing that there is something about proximity to the sea that is impactful for children’s health.”

From Los Angeles Times • Apr. 9, 2026

Sitting in unease and acclimating to its extreme temperature — refusing to fight our very nature — is one of the most impactful things we can do for our bodies and minds.

From Salon • Apr. 9, 2026

“The World Cup is more impactful for Kansas City than any other market in the country,” said Ian Ross, managing principal at SomeraRoad.

From The Wall Street Journal • Apr. 6, 2026

OpenAI likely “realized devoting more resources to products with momentum like Codex would be materially more impactful than the cost of scaling Sora.”

From Barron's • Mar. 25, 2026

The fast is planned for tomorrow, the same day as the Red Cross visit, to be most impactful.

From "Internment" by Samira Ahmed

Vocabulary lists containing impactful

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