Encroachment
WordNet
noun
(1) Influencing strongly
"They resented the impingement of American values on European culture"
(2) Entry to another's property without right or permission
(3) Any entry into an area not previously occupied
"An invasion of tourists"
"An invasion of locusts"
WiktionaryText
Noun
encroachment
- An entry into a place or area that was previously uncommon; an advance beyond former borders; intrusion; incursion.
- An intrusion upon another's possessions or rights; infringement.
- That which is gained by such unlawful intrusion.
- An unlawful diminution of the possessions of another.