Trespass refers to the act of entering or remaining on someone else's property without their permission. It can also refer to any unwanted intrusion, such as a trespasser in one's personal space or boundaries.
Usage examples
Trespass notice: A written letter or notice given to someone who has trespassed, formally asking them to stay off the property.
Civil trespass: Unauthorized entry onto someone else's land or property, resulting in a private legal dispute rather than criminal charges.
Criminal trespass: The act of knowingly entering someone else's property without permission, which is punishable by law in many jurisdictions.
Bronx prosecutors have quietly stopped charging people arrested for trespassing on public housing projects through stop and frisk procedures, unless they interview the arressting officer and the officer convinces them to proceed. (nystateofpolitics.com)
You have the freedom to pray at any time and any location you wish, except for trespassing of course, what else do you need? (religion.blogs.cnn.com)
Zachary Cruz, who like his brother had a troubled childhood living with their widowed adoptive mother, was arrested the following month on charges of trespassing on the Parkland school grounds. (miamiherald.com)