Simple Definition of invade
: 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)
Examples of invade
The troops invaded at dawn.
When tourists invade, the town is a very different place.
The cancer eventually invaded the brain.
Weeds had invaded the garden.
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
Synonym Discussion of invade
Rhymes with invade
abrade, afraid, air raid, arcade, Band-Aid, barmaid, Belgrade, blockade, bondmaid, bridesmaid, brigade, brocade, cascade, charade, clichéd, cockade, corrade, cross-trade, crusade, decade, degrade, dissuade, downgrade, evade, eyeshade, fair-trade, first aid, glissade, grenade, handmade, homemade, housemaid, inlaid, limeade, low-grade, man-made, mermaid, milkmaid, navaid, nightshade, nursemaid, old maid, parade, persuade, pervade, plain-laid, pomade, postpaid, sacheted, scalade, sea-maid, self-made, stockade, sunshade, switchblade, torsade, twayblade, twice-laid, unbraid, unlade, unmade, unpaid, upbraid, upgrade
Medical Definition of invade
1: to enter and spread within either normally (as in development) or abnormally (as in infection) often with harmful effects <protect the body from invading viruses> <branches of a nerve invade the skin area>
2: to affect injuriously and progressively <gangrene invades healthy tissue>
Seen and Heard
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