the striking of one thing against another; forceful contact; collision: The impact of the colliding cars broke the windshield.
an impinging: the impact of light on the eye.
influence; effect: the impact of Einstein on modern physics.
an impacting; forcible impinging: the tremendous impact of the shot.
the force exerted by a new idea, concept, technology, or ideology: the impact of the industrial revolution.
to drive or press closely or firmly into something; pack in.
to fill up; congest; throng: A vast crowd impacted St. Peter's Square.
to collide with; strike forcefully: a rocket designed to impact the planet Mars.
to have an impact or effect on; influence; alter: The decision may impact your whole career. The auto industry will be impacted by the new labor agreements.
to have impact or make contact forcefully: The ball impacted against the bat with a loud noise.
to have an impact or effect: Increased demand will impact on sales.
- non·im·pact, noun, adjective
- post·im·pact, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use impact in a sentence
We look for mission-driven founders who believe their companies can make a real and positive impact on the lives of people and patients the world over.Does early-stage health tech need more ‘patient’ capital? | Steve O'Hear | September 17, 2020 | TechCrunch
It’s important to recognize the truth of our impacts, to take stock of the enormous destruction we have reaped on this planet’s biodiversity and climate.
Committed investors, engaged philanthropy, and smart state and local policy can create access to capital for marginalized communities that fosters genuine impact and fights poverty.Opportunity Zones haven’t fully reached their potential, but don’t write them off yet | jakemeth | September 16, 2020 | Fortune
So it starts as a grant, but then it’s mixed with a convertible note that converts based on how much impact they’re creating, measured on metrics that we advise.Bernard Tyson’s profound impact continues even after his death—through a new social investment fund | cleaf2013 | September 16, 2020 | Fortune
Faulconer and Housing Commission officials see the proposed purchases as a chance to make a major impact on the city’s homelessness crisis.
In this nervous city in an embattled country, even small explosions can have a big impact.
The EPA felt that the State Department had not looked carefully enough at the impact of the pipeline if oil prices fell.
Residents of the neighborhoods where cops are needed the most are mixed on the impact of the apparent slowdown.
Strong currents and winds, however, mean any debris could be drifting up to 31 miles a day eastward, away from the impact zone.
It made a big impact on him and he realized, “Wow, there really is a Santa, at least in the hearts of some people.”Kerry Bentivolio: The Congressman Who Believes in Santa Claus | Ben Jacobs | December 24, 2014 | THE DAILY BEAST
The impact dragged down on the speed of the roadster so that the rear right fender was only crumpled by the brick work.
But "son" had rebounded from the impact like a rubber ball, or the best trained gymnast of his school, as he was.Dorothy at Skyrie | Evelyn Raymond
I saw Johnny Burke's body jerk a bit under the impact of the slugs, but he was too big to be stopped by them.
I felt the impact of that culture in her interested eyes and in the sleek, smart bearing of her utterly relaxed body.Valley of the Croen | Lee Tarbell
The impact stresses depend so much on local conditions that it is difficult to fix what allowance should be made.
British Dictionary definitions for impact
the act of one body, object, etc, striking another; collision
the force with which one thing hits another or with which two objects collide
the impression made by an idea, cultural movement, social group, etc: the impact of the Renaissance on Medieval Europe
to drive or press (an object) firmly into (another object, thing, etc) or (of two objects) to be driven or pressed firmly together
to have an impact or strong effect (on)
- impaction, noun
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