invasion

[in-vey-zhuhn]

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.

invasion

/ 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

Other Word Forms

• preinvasion adjective
• reinvasion noun

Word History and Origins

Origin of invasion¹

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

Example Sentences

Issues ranged from securing permits to a lack of materials due to Russia’s invasion of Ukraine.

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The first began after Western nations froze Russia’s foreign currency reserves in the wake of its full-scale invasion of Ukraine in 2022.

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However, Mann said weak consumer spending may have less to do with high borrowing costs than memories of the jump in inflation that accompanied the Covid-19 pandemic and Russia’s full-scale invasion of Ukraine.

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Of course, one person’s happy doughnut memory is another person’s invasion.

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Purchases picked up after the West sanctioned Russia over its 2022 invasion of Ukraine and some central banks moved away from dollar-based assets.

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Related Words

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