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English definition of “dead weight”

dead weight

noun [C usually singular] uk   us  
the heaviness of a person or object that cannot or does not move by itself: She may be small but, when I have to carry her upstairs after she's fallen asleep, she's a dead weight (US also she is dead weight).Measurements of weight and massArea, mass, weight and volume in general
(Definition of dead weight from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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SMART Thesaurus: Mass, area, weight & volume in general

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