Definition of invade :
1. To attack; to infringe; to encroach on; to violate; as, the king invaded the rights of the people.
2. To enter with hostile intentions; to enter with a view to conquest or plunder; to make an irruption into; to attack; as, the Romans invaded Great Britain.
3. To go into or upon; to pass within the confines of; to enter; - used of forcible or rude ingress.
4. To grow or spread over; to affect injuriously and progressively; as, gangrene invades healthy tissue.
5. To make an invasion.
besiege, engross, engage, set upon, brim over, beleaguer, lodge in, foray, take, reside, well over, meddle, encounter, overflow, busy, fall upon, obtrude upon, run over, intrude on, concern, encroach upon, absorb, use up, infest, overrun, enter, penetrate, beset, worry, occupy, fill, interest
attack (part of speech: verb)
batter, lash, hit, pound, hammer, scorch, fight, raid, lunge, savage, storm, combat, trounce, scathe, assail, riot, bombard, violate, scarify, charge, barrage, assault, slash, strike, rape, thrust, flay, attack, harry
encroach (part of speech: verb)
- The people who lived in that part of the hill and water country were at war with the State that joined them on the north, and thinking that the soldiers of the enemy would soon invade their country they had made a trap in the middle of the path over which the hare was running. - "Shan Folk Lore Stories from the Hill and Water Country", William C. Griggs.
- All this sounded very absurd to me, who had left Lee's army four days previously as full of fight as ever- much stronger in numbers, and ten times more efficient in every military point of view, than it was when it crossed the Potomac to invade Maryland a year ago. - "Three Months in the Southern States, April-June 1863", Arthur J. L. (Lieut.-Col.) Fremantle.
- Oh, but, said Maggie, Mr. Wentworth says it is only the German Government that wanted to invade Belgium, that the German soldiers just hated to do it. - "Home Fires in France", Dorothy Canfield.