invade

Meanings

• march aggressively into another's territory by military force for the purposes of conquest and occupation
  • "Hitler invaded Poland on September 1, 1939"
• to intrude upon, infringe, encroach on, violate
  • "This new colleague invades my territory"
• occupy in large numbers or live on a host
• penetrate or assault, in a harmful or injurious way
  • "The cancer had invaded her lungs"

Synonyms

encroach upon, infest, intrude on, obtrude upon, occupy, overrun