Definitions for: Invasion

[n] the act of invading; the act of an army that invades for conquest or plunder
[n] (medicine) the spread of pathogenic microorganisms or malignant cells to new sites in the body; "the tumor's invasion of surrounding structures"
[n] any entry into an area not previously occupied; "an invasion of tourists"; "an invasion of locusts"

Webster (1913) Definition: In*va"sion, n. [L. invasio: cf. F. invasion. See
Invade.]
1. The act of invading; the act of encroaching upon the
rights or possessions of another; encroachment; trespass.

2. A warlike or hostile entrance into the possessions or
domains of another; the incursion of an army for conquest
or plunder.

3. The incoming or first attack of anything hurtful or
pernicious; as, the invasion of a disease.

Syn: Invasion, Irruption, Inroad.

Usage: Invasion is the generic term, denoting a forcible
entrance into a foreign country. Incursion signifies a
hasty and sudden invasion. Irruption denotes
particularly violent invasion. Inroad is entry by some
unusual way involving trespass and injury.

Synonyms: encroachment, intrusion

See Also: entering, entrance, incursion, inroad, penetration, spread, spreading

Try our:
Scrabble Word Finder

Scrabble Cheat

Words With Friends Cheat

Hanging With Friends Cheat

Scramble With Friends Cheat

Ruzzle Cheat

Related Resources:
animals beginning with z
y letter animals
animals begin with i