4. To infringe or violate, as an obligation, law, or promise.

Out, out, hyena! these are thy wonted arts . . .

To break all faith, all vows, deceive, betray.

Milton

5. To interrupt; to destroy the continuity of; to dissolve or terminate; as, to break silence; to break one's sleep; to break one's journey.

Go, release them, Ariel;

My charms I'll break, their senses I'll restore.

Shak.