1. Involving invasion or aggressive attack
   "invading war";
   - incursive, invasive

1. March aggressively into another's territory by military force for the purposes of conquest and occupation
   "Hitler invaded Poland on September 1, 1939";
   - occupy
    
2. Enter into or interfere with someone's space, rights, or privacy without permission
   "This new colleague invades my territory";
   - intrude on, encroach upon
    
3. Penetrate or assault, in a harmful or injurious way
   "The cancer had invaded her lungs"
    
4. Occupy in large numbers or live on a host
   "the Kudzu plant invades much of the South and is spreading to the North";
   - overrun, infest

See also: intrude, offensive

Type of: assail, attack, come in, enter, get in, get into, go in, go into, inhabit, interpenetrate, move into, permeate

Encyclopedia: Invade, Destroy, Repeat