encroachment
1. [ noun ] any entry into an area not previously occupied
Synonyms: intrusion invasion
Examples:

"an invasion of tourists" "an invasion of locusts" "a viral invasion"

Related terms: entrance encroach
2. [ noun ] entry to another's property without right or permission
Synonyms: violation usurpation intrusion trespass
Related terms: wrongdoing inroad trespass encroach
3. [ noun ] influencing strongly
Synonyms: impact impingement
Examples:

: "they resented the impingement of American values on European culture"

Related terms: influence affect
Similar spelling:   encroach_upon
  encroacher
  encroaching
  engrossment