invasion

Meanings

• the act of invading; the act of an army that invades for conquest or plunder
• any entry into an area not previously occupied
  • "an invasion of tourists"
  • "an invasion of locusts"
• (pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body
  • "the tumor's invasion of surrounding structures"

Synonyms

encroachment, intrusion