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English definition of “invader”

invader

noun [C] uk   /ɪnˈveɪ.dər/ us    /-dɚ/
an army or country that uses force to enter and take control of another country: The foreign invaders were finally defeated by allied forces.figurative Any new company is seen as an invader in an already competitive market.
(Definition of invader from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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