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no trespassing

do not enter. (Usually seen on a sign. Not usually spoken.) The sign on the tree said, "No Trespassing." So we didn't go in. The angry farmer chased us out of the field shouting, "Get out! Don't you see the 'No Trespassing' sign?"
See also: no, trespass

trespass (up)on something

to intrude or encroach onto a restricted or private area. (Upon is formal and less commonly used than on.) You had better not trespass upon Mr. Green's land. I wouldn't trespass on that fenced-off land!
See also: on, trespass

trespass on

1. To enter wrongfully onto some land that belongs to another: We don't tolerate hunters who trespass on our property.
2. To infringe on something, such as another's privacy, time, or attention: Do not trespass on their patience by pursuing this matter any further.
See also: on, trespass
References in periodicals archive ?
Insp Brian Buddo, who is responsible for BTP's response to trespass in the North East, said: "The last thing our officers want to do is knock on someone's door to tell a parent their child has been killed or seriously injured as a result of trespassing.
The employer's use of a trespass order suggested predetermination of the employer's eventual decision to dismiss the charge nurse, according to the ERA.
Generally speaking, trespass to land occurs when there is an unjustifiable intrusion by one person upon another person's land.
Trespass Island could exist in today's world, and readers will connect with the novel because of it.
contemporary environmental contamination trespass law on which courts
The arrival of Trespass marked the seventh new store opening at Eagles Meadow during 2011.
Subsurface trespass is not a new cause of action in Texas; it has been recognized for many decades.
Courts that imported this doctrine into the digital world reason that computers and networks constitute property, the interference with which can support a trespass claim.
It says there are about 13,000 recorded incidents of trespass and vandalism a year, of which more than 5,000 are committed by young people.
In those actions of ravishment appearing in common law courts as a trespass, a conviction would result in the accused paying an amercement, usually the equivalent of the goods allegedly stolen from the husband in addition to damages.
Of course, we condemn the actions, tactics and reasons these people give to trespass at will in dangerous places.
Fan punished: A fan sitting near the Angels bullpen Thursday was cited for simple assault and given a criminal trespass warning.
The responsibility to forgive those who trespass against us hangs like an albatross around our necks and makes the weight of our own discernment doubly heavy.
This conviction was based on the defendant's violation of written notice barring his return to RRHA property due to prior trespass convictions.