- [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; "an invasion of tourists"; "an invasion of locusts"
Synonyms: encroachment, intrusion
- [noun] (pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body; "the tumor's invasion of surrounding structures"
- Search for synonyms for INVASION