To collide or strike, the act of impinging.
When the hammer impacts the nail, it bends.
To compress; to compact; to press into something or pack together.
The footprints of birds do not impact the soil in the way those of dinosaurs do.
To influence; to affect; to have an impact on.
I can make the changes, but it will impact the schedule.
To stamp or impress onto something.
Ideas impacted on the mind.
Having undergone an impact.
Of a tooth, subject to dental impaction.
Being the last teeth to erupt in the oral cavity, many wisdom teeth are impacted.
Having lost property revenue due to Federal presence, such that it may receive impact aid.