invade


in·vade

transitive verb \in-ˈvād\

: to enter (a place, such as a foreign country) in order to take control by military force

: to enter (a place) in large numbers

: to enter or be in (a place where you are not wanted)

in·vad·edin·vad·ing

Full Definition of INVADE

1
:  to enter for conquest or plunder
2
:  to encroach upon :  infringe
3
a :  to spread over or into as if invading :  permeate <doubts invade his mind>
b :  to affect injuriously and progressively <gangrene invades healthy tissue>
in·vad·er noun

Examples of INVADE

  1. The troops invaded at dawn.
  2. When tourists invade, the town is a very different place.
  3. The cancer eventually invaded the brain.
  4. Weeds had invaded the garden.
  5. Bacteria invaded and caused an infection.

Origin of INVADE

Middle English, from Latin invadere, from in- + vadere to go — more at wade
First Known Use: 15th century

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