invade

Reading level: hard

Estimated CEFR level: B2 — Upper-Intermediate

Estimated from word frequency; not an official CEFR classification.

Definition

verb march aggressively into another's territory by military force for the purposes of conquest and occupation
verb to intrude upon, infringe, encroach on, violate
verb occupy in large numbers or live on a host

From Latin invādō (“enter, invade”).

It appears that NASA's computers were invaded. — Terminal Compromise, Winn Schwartau
He struggled hard with the invading power. — At the Back of the North Wind, George MacDonald
Dampness was invading it, the flowers were deserting it. — Les Misérables, Victor Hugo

occupy

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