Severing means cutting something into two pieces, especially with a lot of force.
Severing can feel violent or forceful. It usually means something is being cut apart.
Examples:
He is severing the rope with a knife.
The strong wind is severing the tree branches.
She is severing the cake with a big knife.
The superhero is severing the chains with his laser eyes!
The giant monster is severing the buildings with its claws.
I am severing the paper with my bare hands!