intrusion

Noun

• entry to another's property without right or permission

• rock produced by an intrusive process

• the forcing of molten rock into fissures or between strata of an earlier rock formation

• entrance by force or without permission or welcome

• any entry into an area not previously occupied
  • an invasion of tourists
    
  • an invasion of locusts
    

Related words

• Synonyms: 
  trespass , encroachment , violation , usurpation , invasion