• an act of breaking or failing to observe a law, agreement, or code of conduct

Synonyms: contravention, violation, breaking, non-observance, infringement, transgression, neglect, dereliction

• a gap in a wall, barrier, or defence, especially one made by an attacking army

Synonyms: break, rupture, split, crack, fracture, rent, rift

• make a gap in and break through (a wall, barrier, or defence)

Synonyms: break (through), burst (through), rupture, force itself through, split

• (of a whale) rise and break through the surface of the water