Impact meaning

ĭm'păkt'
The definition of impact is one thing crashing into or having an effect on another.

An example of impact is the effect that humans are having on the environment.

verb
43
10
To have an effect.
verb
22
8
To strike forcefully.

Meteorites impacting the lunar surface.

verb
21
14
To have an effect or impact on.
verb
15
13
To pack firmly together.
verb
13
11
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To have an effect or impact.
verb
7
5
To hit with force.
verb
5
3
A striking together; violent contact; collision.
noun
5
3
The force or energy of a collision of two objects.

The hatchet cut the wood on impact.

noun
5
4
To force tightly together; pack; wedge.
verb
4
3
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The force of a collision; shock.
noun
4
3
To affect.
verb
4
4
The power of an event, idea, etc. to produce changes, move the feelings, etc.
noun
4
4
The striking of one body against another; collision.
noun
4
4
(chiefly medicine) A forced impinging.

His spine had an impingement; L4 and L5 made impact, which caused numbness in his leg.

noun
4
4
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A significant or strong influence; an effect.

His friend's opinion had an impact on his decision.

Our choice of concrete will have a tremendous impact on the building's mechanical performance.

noun
4
4
To compress; to compact; to press or pack together.

If fecal incontinence is caused by impacted stool in the rectum, the impaction must be removed.

verb
4
4
(proscribed) To influence; to affect; to have an impact on.

I can make the changes, but it will impact the schedule.

verb
3
3

When the hammer impacts the nail, it bends.

verb
3
3
The effect or impression of one person or thing on another.

Still gauging the impact of automation on the lives of factory workers.

noun
2
0
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Origin of impact

  • From Latin impāctus past participle of impingere to push against impinge
    From American Heritage Dictionary of the English Language, 5th Edition
  • From Latin impāctus, perfect passive participle of impingō (“dash against, impinge”).
    From Wiktionary