invasion

American  

[in-vey-zhuhn] / ɪnˈveɪ ʒən /

noun

1. an act or instance of invading or entering as an enemy, especially by an army.

2. the entrance or advent of anything troublesome or harmful, as disease.

3. entrance as if to take possession or overrun.

   the annual invasion of the resort by tourists.

4. infringement by intrusion.

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invasion British  

/ ɪnˈveɪʒən /

noun

1. the act of invading with armed forces

2. any encroachment or intrusion

   an invasion of rats

3. the onset or advent of something harmful, esp of a disease

4. pathol the spread of cancer from its point of origin into surrounding tissues

5. the movement of plants to a new area or to an area to which they are not native

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Other Word Forms

• preinvasion adjective
• reinvasion noun

Etymology

Origin of invasion

1400–50; late Middle English < Late Latin invāsīon- (stem of invāsiō ), equivalent to invās ( us ), past participle of invādere + -iōn- -ion; invade

Example Sentences

That is more land than the previous two years combined, though far short of the more than 60,000 square kilometres it took in the first year of its invasion.

From Barron's

The issue has come under increased focus since the Russian invasion of Ukraine in 2022.

From BBC

Over the past 10 months, Russian losses in the war with Ukraine have been growing faster than any time since the start of the full-scale invasion in 2022, BBC analysis suggests.

From BBC

An exception was in 2022, the year of Russia’s full-scale invasion of Ukraine.

From The Wall Street Journal

Japan, which has little in the way of natural resources, has long been anxious about its dependence on energy imports, concerns amplified by events such as Russia’s invasion of Ukraine.

From The Wall Street Journal

Related Words

• aggression
• assault
• breach
• incursion
• infiltration
• infringement
• intrusion
• offensive
• onslaught
• raid
• violation