a powerful effect that something, especially something new, has on a situation or person
The impact of the crash reduced the car to a third of its original length.
The bullet explodes on impact (= when it hits another object).
The invention of the internet had a profound impact on global communication.
The environmental impact of human activities is a growing concern.
Personal decisions can have a significant impact on one's life trajectory.
The new policy had an immediate impact on the company's bottom line.
