trespass upon (something)(redirected from trespassed upon)
trespass upon (something)
1. To enter or intrude on private or restricted land or property. You're trespassing upon private 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 upon the military installation.
2. old-fashioned To encroach or infringe upon some aspect of one's life. I'm sick of these reporters trespassing upon our privacy! The horrible things I did in that war have trespassed upon my dreams for years now.