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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 personCheating and trickingPlotting and trappingUnpleasant menUnpleasant people in generalDishonest peopleLies, lying and hypocrisyCheating and tricking
(Definition of rat from the Cambridge Learners Dictionary © Cambridge University Press)
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