noun. The act of invading, especially the entrance of an armed force into a territory to conquer.

noun. The entry into bodily tissue and subsequent proliferation of an injurious entity, such as a pathogen or tumor.

noun. An intrusion or encroachment.

noun. The act of invading a country or territory as an enemy; hostile entrance or intrusion.

noun. Hence A harmful incursion of any kind; an onset or attack, as of disease.

noun. Infringement by intrusion; encroachment by entering into or taking away what belongs to another: as, an invasion of one's retirement or rights.

noun. In phytogeography, the phenomenon of the movement of plants from an area of one character into one of a different character, and their colonization in the latter.

noun. The act of invading; the act of encroaching upon the rights or possessions of another; encroachment; trespass.

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

noun. The incoming or first attack of anything hurtful or pernicious.

noun. A military action consisting of armed forces of one geopolitical entity entering territory controlled by another such entity, generally with the objective of conquering territory or altering the established government.

noun. The entry of a large group into a new area.

noun. the act of invading; the act of an army that invades for conquest or plunder

noun. any entry into an area not previously occupied

noun. (pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body

"However, the real history is that al-Qaeda had no real foothold in Iraq until the U.S. invasion in 2003 – and that al-Qaeda's leadership saw its post-U. S.-invasion efforts there as a way to divert American forces so the terror group could rebuild its operations in Pakistan and Afghanistan."

retreat  

intervasion  invade  invader  

British Invasion  invasion of privacy  invasion stripes  pitch invasion  

entering  entrance  spread  spreading  

Asian  Caucasian  Malaysian  abrasion  caucasian  

aggression  assault  campaign  conflict  conquest  

adoption  aggression  air attack  air raid  air strike