■ verb
1》 enter (a country) as or with an army so as to subjugate or occupy it.
↘enter in large numbers, especially intrusively.
↘(of a parasite or disease) attack and spread into (an organism or bodily part).
2》 intrude on: he felt his privacy was being ~d.
Derivatives
~r noun
Origin
ME: from L. ~re , from in- 'into' + vadere 'go'.