impact

Academic Word List, sublist 2.

About 63.24 uses per million words.

Meaning

1. noun The striking of one body against another; collision.
2. noun The force or energy of a collision of two objects.

   The hatchet cut the wood on impact.

3. noun A forced impinging.

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

4. noun A significant or strong influence or effect.

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

5. verb To collide or strike, the act of impinging.

   When the hammer impacts the nail, it bends.

6. verb 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.

7. verb To significantly or strongly influence or affect; to have an impact on.

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

8. verb To stamp or impress onto something.

   Ideas impacted on the mind.

Similar words

impingement touch touch on encroachment shock bear upon bear on affect crash collision

Often followed by

of on upon and in the is that assessment

Word family

environmental impact environmental impacts impacted impacting impacts on impact on/upon impact upon impact