Sever
Definition 1 of 2
Pro Tip 1/3
Physical Separation
Use 'sever' to describe physically cutting off parts like limbs, connections, or materials. The accident severed the power lines.
Pro Tip 2/3
Irreversible Action
'Sever' often implies that the separation is permanent and cannot be easily repaired. The sculpture fell and sever the arm from the statue.
Pro Tip 3/3
Suddenness
The action of severing is usually sudden and decisive, not gradual. The tree branch was severed by a single strike of lightning.