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English definition of “rat”

rat

noun [C]     /ræt/
ANIMAL A2 an animal that looks like a large mouse and has a long tail : Rats carry disease .Rodents and similar animals
PERSON informal an unpleasant , dishonest person Cheating and trickingPlotting and trappingUnpleasant menUnpleasant people in generalDishonest peopleLies, lying and hypocrisyCheating and tricking
(Definition of rat noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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