|Origin:||trespasser 'to go across, trespass', from tres 'across' (from Latin trans) + passer 'to pass'|
to go onto someone's private land without their permission
She was arrested for trespassing on government property.
2 old useRR
to do something wrong [= sin]
—trespasser noun [countable]
trespass on somethingphrasal verb
It would be trespassing on their hospitality to accept any more from them.