invade
in-vade
verb
To enter a place in large numbers, often unwantedly, causing disruption.
"Pests invaded the kitchen, causing a nuisance."
verb
To enter a country or area with military force to take control.
"The army decided to invade the neighbouring territory."
Thesaurus
Synonyms: infest, overrun, occupy, obtrude upon, encroach upon, intrude on