Transgress

/trænzˈgrɛs/ verb medium

To transgress is to go beyond an accepted limit, violating a rule or standard of behavior.

The novel's protagonist transgresses every social norm of her era in pursuit of independence.

Memory Trick

Transgress contains 'trans-' (across) and 'gress' (to step, as in progress) - to transgress is to step across a line you shouldn't.