What is the meaning of invade?

March aggressively into another's territory by military force for the purposes of conquest and occupation.
- usage: "Hitler invaded Poland on September 1, 1939"
- synonyms: occupy
To intrude upon, infringe, encroach on, violate.
- usage: "This new colleague invades my territory"; "The neighbors intrude on your privacy"
- synonyms: intrude on, obtrude upon, encroach upon
Occupy in large numbers or live on a host.
- usage: "the Kudzu plant infests much of the South and is spreading to the North"
- synonyms: overrun, infest
Penetrate or assault, in a harmful or injurious way.
- usage: "The cancer had invaded her lungs"

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APA	WordNet. (2010). invade. Retrieved September 20, 2026, from http://smartdefine.org/invade/definitions/1287484
Chicago	WordNet. 2010. "invade" http://smartdefine.org/invade/definitions/1287484 (accessed September 20, 2026).
Harvard	WordNet 2010, invade, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/invade/definitions/1287484>.
MLA	WordNet. "invade" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/invade/definitions/1287484>

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