Invasion

• POS: Noun
• HYPHEN: in=va=sion

CIDE DICTIONARY

Invasion, n. [L. invasio: cf. F. invasion. See Invade.].

•  The act of invading; the act of encroaching upon the rights or possessions of another; encroachment; trespass.  [1913 Webster]
•  A warlike or hostile entrance into the possessions or domains of another; the incursion of an army for conquest or plunder.  [1913 Webster]
•  The incoming or first attack of anything hurtful or pernicious; as, the invasion of a disease.

Syn. -- Invasion, Irruption, Inroad.

OXFORD DICTIONARY

Invasion, n.
1 the act of invading or process of being invaded.
2 an entry of a hostile army into a country.

Derivative

invasive adj.

Etymology

F invasion or LL invasio (as INVADE)

THESAURUS

Invasion

adoption, aggression, air attack, air raid, air strike, appropriation, arrogation, assault, assumption, attack, blitzkrieg, boarding, breach, drive, encroachment, entrance, entrenchment, escalade, fire raid, foray, impingement, imposition, incursion, infestation, infiltration, influx, infraction, infringement, injection, inroad, insinuation, interference, interjection, interloping, interposition, interposure, interruption, intervention, intrusion, irruption, lousiness, obtrusion, offense, offensive, onslaught, overrunning, overspreading, overswarming, plague, playing God, raid, ravage, razzia, saturation raid, scaling, seizure, shuttle raid, storming, swarm, swarming, teeming, transgression, trespass, trespassing, unlawful entry, usurpation, violation

ROGET THESAURUS

Invasion

Attack

N attack, assault, assault and battery, onset, onslaught, charge, aggression, offense, incursion, inroad, invasion, irruption, outbreak, estrapade, ruade, coupe de main, sally, sortie, camisade, raid, foray, run at, run against, dead set at, storm, storming, boarding, escalade, siege, investment, obsession, bombardment, cannonade, fire, volley, platoon fire, file fire, fusillade, sharpshooting, broadside, raking fire, cross fire, volley of grapeshot, whiff of the grape, feu d'enfer, cut, thrust, lunge, pass, passado, carte and tierce, home thrust, coupe de bec, kick, punch, battue, razzia, Jacquerie, dragonnade, devastation, eboulement, assailant, aggressor, invader, base of operations, point of attack, echelon, attacking, aggressive, offensive, obsidional, up in arms, on the offensive, Int, up and at them!, the din of arms, the yell of savage rage, the shriek of agony, the groan of death, their fatal hands no second stroke intend, thirst for glory quells the love of life.

Ingress

N ingress, entrance, entry, introgression, influx, intrusion, inroad, incursion, invasion, irruption, ingression, penetration, interpenetration, illapse, import, infiltration, immigration, admission, insinuation, insertion, inlet, way in, mouth, door, barway, path, conduit, immigrant, incoming.