Synonyms

high-impact

British

adjective

(of a plastic or other material) able to withstand great force
(of aerobic or other exercise) placing great stress on various areas of the body
informal having great effect

high-impact sound

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

The team reported the work in Optica, Optica Publishing Group's journal for high-impact research.

From Science Daily • Feb. 4, 2026

Exceptionally wet weather, marked by a series of high-impact storms and persistent rainfall, has saturated the ground and triggered widespread flooding, external.

From BBC • Jan. 28, 2026

The platform has “a very large audience and inventory opportunity, attractive demographics, high-impact ad formats, and market-leading machine learning technology,” Coolbrith wrote.

From Barron's • Jan. 26, 2026

Over 200,000 investors trust Opening Bell Daily for high-impact market analysis in plain language.

From MarketWatch • Jan. 22, 2026

He opened his tub and handed out the access points, housed in gray high-impact plastic junction boxes.

From Someone Comes to Town, Someone Leaves Town by Doctorow, Cory

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023