Invade

• POS: Verb (usu participle), Verb (transitive)
• HYPHEN: in=vade

CIDE DICTIONARY

Invade, v. t. [L. invadere, invasum; pref. in- in + vadere to go, akin to E. wade: cf. OF. invader, F. envahir. See Wade.].

•  To go into or upon; to pass within the confines of; to enter; -- used of forcible or rude ingress.  [1913 Webster]

  "Which becomes a body, and doth then invade
  The state of life, out of the grisly shade."  [1913 Webster]
•  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.  [1913 Webster]

  "Such an enemy
  Is risen to invade us."  [1913 Webster]
•  To attack; to infringe; to encroach on; to violate; as, the king invaded the rights of the people.  [1913 Webster]
•  To grow or spread over; to affect injuriously and progressively; as, gangrene invades healthy tissue.

Syn. -- To attack; assail; encroach upon. See Attack.

Invade, v. i. 

 To make an invasion.  Brougham.  [1913 Webster]

OXFORD DICTIONARY

Invade, v.tr. (often absol.)
1 enter (a country etc.) under arms to control or subdue it.
2 swarm into.
3 (of a disease) attack (a body etc.).
4 encroach upon (a person's rights, esp. privacy).

Derivative

invader n.

Etymology

L invadere invas- (as IN-(2), vadere go)

THESAURUS

Invade

adopt, advance upon, appropriate, arrogate, assume, barge in, beset, board, break bounds, break in, break in upon, burst in, butt in, charge in, come between, crash, crash in, crash the gates, crawl with, creep in, creep with, crowd in, cut in, edge in, elbow in, encroach, entrench, escalade, foist in, foray, go too far, horn in, impinge, impose, impose on, impose upon, infest, infiltrate, infringe, inroad, insinuate, interfere, interlope, interpose, intervene, intrude, inundate, irrupt, know no bounds, make a raid, make an inroad, obtrude, overrun, overspread, overstep, overstep the bounds, overswarm, overwhelm, plague, play God, press in, pretend to, push in, put on, put upon, raid, ravage, rush in, scale, scale the walls, seize, slink in, slip in, smash in, sneak in, squeeze in, steal in, storm, storm in, swarm, swarm with, take by storm, take over, throng in, thrust in, transgress, trench, trespass, usurp, work in, worm in

ROGET THESAURUS

Invade

Attack

VB attack, assault, assail, invade, set upon, fall upon, charge, impugn, break a lance with, enter the lists, assume the offensive, take the offensive, be the aggressor, become the aggressor, strike the first blow, draw first blood, throw the first stone at, lift a hand against, draw the sword against, take up the cudgels, advance against, march against, march upon, harry, come on, show fight, strike at, poke at, thrust at, aim a blow at, deal a blow at, give one a blow, fetch one a blow, fetch one a kick, give one a kick, have a cut at, have a shot at, take a cut at, take a shot at, have a fling at, have a shy at, be down upon, pounce upon, fall foul of, pitch into, launch out against, bait, slap on the face, make a thrust at, make a pass at, make a set at, make a dead set at, bear down upon, close with, come to close quarters, bring to bay, ride full tilt against, attack tooth and nail, go at hammer and tongs, let fly at, dash at, run a tilt at, rush at, tilt at, run at, fly at, hawk at, have at, let out at, make a dash, make a rush at, strike home, drive one hard, press one hard, be hard upon, run down, strike at the root of, lay about one, run amuck, aim at, draw a bead on, fire upon, fire at, fire a shot at, shoot at, pop at, level at, let off a gun at, open fire, pepper, bombard, shell, pour a broadside into, fire a volley, fire red-hot shot, spring a mine, throw a stone, throw stones at, stone, lapidate, pelt, hurl at, hurl against, hurl at the head of, rock beset, besiege, beleaguer, lay siege to, invest, open the trenches, plant a battery, sap, mine, storm, board, scale the walls, cut and thrust, bayonet, butt, kick, strike, whip, assail, impugn, malign (detract), bomb, rocket, blast.

Ingress

VB have the entree, enter, go into, go in, come into, come in, pour into, pour in, flow into, flow in, creep into, creep in, slip into, slip in, pop into, pop in, break into, break in, burst into, burst in, set foot on, ingress, burst in upon, break in upon, invade, intrude, insinuate itself, interpenetrate, penetrate, infiltrate, find one's way into, wriggle into, worm oneself into, give entrance to, insert.