impact-n; 3 Senses

Sense Number 1: Physical collision, striking contact of two bodies

Commentary: IMPACT[+event][+physical][+collision][+forceful] The striking of one body against another. A physical event.

Examples:
The impact threw me from the car because I wasn't wearing a seatbelt.
The impact of the meteor left a gigantic crater.
Five seconds until impact, sir!
John lay unconscious on the floor, and Mary's fist stung from the impact.
There was the sound of a third impact.

Mappings:
WordNet 3.0 Sense Numbers: 1

Sense Number 2: An effect or consequence, an alteration

Commentary: IMPACT[+state][+alteration][+consequence][+significant] The consequence or effect of something

Examples:
The book had an important impact on my thinking.
The psychological impact of the war deeply affected the soldiers.
A child's first moments of life leave an impact that will change his or her life.
The product will have more impact if you color it bright red.
They tried to prevent the impact of American values on European culture.
These policies have had no impact on reducing unemployment.

Mappings:
WordNet 3.0 Sense Numbers: 1

Sense Number 3: Placeholder: Do Not Choose

Commentary: IMPACT[+event]

Examples:

Mappings:
WordNet 3.0 Sense Numbers: 1