All 7 Uses

impact
in
Hunger Games Book #2 (Catching Fire)
(Edited)

The full impact of what he's saying hits me.
Chpt 3

impact = influence or effect
She pulls out her schedule and begins to work out how the delay will impact every event for the rest of our lives.
Chpt 4 *
The full impact of what I've done hits me.
Chpt 4
A whistling, the sound of an impact, the intake of breath from a crowd.
Chpt 7 *

impact = collision
They are not used to want, so any little disruption in supply makes an impact on them.
Chpt 12

impact = influence or effect
His trident goes whizzing over my head and there's a sickening sound of impact as it finds its target.
Chpt 19

impact = collision
My shoulder took the worst of the impact, whereas Finnick hit face-first and now his nose is gushing blood.
Chpt 24

impact = influence or effect

Definitions:

(1) (impact as in: her impact on foreign policy)
influence or effect
(2) (impact as in: at the moment of impact)
collision (when two objects collide or crash)
(3) (meaning too rare to warrant focus)
Much less commonly, impact can refer to pressure as when describing a tooth impacted against another tooth or an impact ulcer that appears on the skin from something that presses on it.