To enter a country, as an army with hostile intentions; to enter as an enemy, with a view to conquest or plunder; to attack. The French armies invaded Holland in 1795. They invaded Russia and perished.

To attack; to assail; to assault. There shall be seditions among men and invading one another. Esdras 15:16.

To attack; to infringe; to encroach on; to violate. The king invaded the rights and privileges of the people, and the people invaded the prerogatives of the king.

To go into; a Latinism.

To fall on; to attack; to seize; as a disease.