Definitions of trespass:

• noun:   entry to another's property without right or permission
• noun:   a wrongful interference with the possession of property (personal property as well as realty), or the action instituted to recover damages
• verb:   break the law
• verb:   make excessive use of

  Example: "She is trespassing upon my privacy"

• verb:   enter unlawfully on someone's property

  Example: "Don't trespass on my land!"

• verb:   pass beyond (limits or boundaries)
• verb:   commit a sin; violate a law of God or a moral law