To separate into two or more pieces, to fracture or crack, by a process that cannot easily be reversed for reassembly.

“If the vase falls to the floor, it might break.”

To divide (something, often money) into smaller units.

“Can you break a hundred-dollar bill for me?”

To cause (a person or animal) to lose spirit or will; to crush the spirits of.

“Her child's death broke Angela.”

Fragmented, in separate pieces.

(of a promise, etc) Breached; violated; not kept.

“broken promises of neutrality”

Non-functional; not functioning properly.

“I think my doorbell is broken.”