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English definition of “sluggish”

sluggish

adjective uk   /ˈslʌɡ.ɪʃ/ us  
moving or operating more slowly than usual and with less energy or power: A heavy lunch makes me sluggish in the afternoon. Something is wrong with the car - the engine feels a bit sluggish. The housing market has been very sluggish these past few years.
sluggishly
adverb uk   /-li/ us  
sluggishness
noun [U] uk   /-nəs/ us  
(Definition of sluggish from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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