invasion

[ in-vey-zhuhn ]
/ ɪnˈveɪ ʒən /

noun

an act or instance of invading or entering as an enemy, especially by an army.
the entrance or advent of anything troublesome or harmful, as disease.
entrance as if to take possession or overrun: the annual invasion of the resort by tourists.
infringement by intrusion.

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Origin of invasion

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

OTHER WORDS FROM invasion

pre·in·va·sion, adjectivere·in·va·sion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for invasion

British Dictionary definitions for invasion

invasion
/ (ɪnˈveɪʒən) /

noun

the act of invading with armed forces
any encroachment or intrusionan invasion of rats
the onset or advent of something harmful, esp of a disease
pathol the spread of cancer from its point of origin into surrounding tissues
the movement of plants to a new area or to an area to which they are not native
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012