tres·pass /ˈtrɛˌspæs, Brit ˈtrɛspəs/ verb
tres·pass·es; tres·passed; tres·pass·ing
[no obj] 1 : to go on someone’s land without permission
▪ He told me I was trespassing. ▪ The sign said “No Trespassing.” — often + on ▪ The hunters trespassed on the farmer’s land.
2 old-fashioned : to do something that hurts or offends someone — usually + against ▪ We must try to forgive those who trespass against us.
3 formal : to treat someone unfairly especially by asking for or expecting more than is fair or reasonable — often + on or upon ▪ I hope I am not trespassing on/upon your time. [=I hope I am not using too much of your time]
2. tres·pass /ˈtrɛspəs/ noun
1 law : the crime of going on someone’s land without permission [noncount] ▪ He was arrested for trespass. [count] ▪ They committed a trespass.
2 [count] old-fashioned : a sin or other wrong or improper act
▪ Forgive us our trespasses.