invasion
noun
in·va·sion
in-ˈvā-zhən 
1
: an act of invading
especially
: incursion of an army for conquest or plunder
2
: the incoming or spread of something usually hurtful
Examples of invasion in a Sentence
The enemy launched an invasion.
The people live under a constant threat of invasion.
The town is gearing up for the annual tourist invasion.
protecting the house from insect invasion
Recent Examples on the Web
In the months that followed, as the invasion of Gaza continued and civilian casualties mounted, dozens of student groups rallied in solidarity with S.J.P. and J.V.P. On April 17, Shafik asked the New York City Police to clear a pro-Palestinian student encampment on the Columbia lawn.
—
Charles Homans Gabra Zackman Anna Diamond Quinton Kamara, New York Times, 29 May 2024
By Anna Gordon May 28, 2024 8:31 AM EDT
Israeli tanks reached Rafah’s city center on Tuesday, Reuters reported, three weeks after the Israeli military began its ground invasion into the city.
—Anna Gordon, TIME, 28 May 2024
See all Example Sentences for invasion 
Charles Homans Gabra Zackman Anna Diamond Quinton Kamara, New York Times, 29 May 2024
By Anna Gordon May 28, 2024 8:31 AM EDT
Israeli tanks reached Rafah’s city center on Tuesday, Reuters reported, three weeks after the Israeli military began its ground invasion into the city.
—Anna Gordon, TIME, 28 May 2024
See all Example Sentences for invasion
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'invasion.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near invasion
Cite this Entry
“Invasion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/invasion. Accessed 1 Jun. 2024.
Copy CitationKids Definition
invasion
noun
in·va·sion
in-ˈvā-zhən
: an act of invading
especially
: entrance of an army into a country for conquest
Medical Definition
invasion
noun
in·va·sion
in-ˈvā-zhən
: the act of invading: as
a
: the penetration of the body of a host by a microorganism
b
: the spread and multiplication of a pathogenic microorganism or of malignant cells in the body of a host
Legal Definition
invasion
noun
in·va·sion
in-ˈvā-zhən
: the act of or an instance of invading
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