trespass on

trespass on (something)

1. To enter or intrude on private or restricted land or property. You're trespassing on my land, son—I suggest you turn around right now, or I'll blast you to pieces! He was sentenced to five years in prison for trespassing on the military installation.
2. old-fashioned To encroach or infringe upon some aspect of one's life. I'm sick of these reporters trespassing on our privacy! The horrible things I did in that war have trespassed on my dreams for years now.
See also: on, 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

v.
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 classic literature ?
Mr Allworthy had given the fellow strict orders, on pain of forfeiting his place, never to trespass on any of his neighbours; no more on those who were less rigid in this matter than on the lord of this manor.
He was as good as his word: for he rode immediately to his house, and complained of the trespass on his manor in as high terms and as bitter language as if his house had been broken open, and the most valuable furniture stole out of it.