Synonyms of 'sluggish'
lacking energyfeeling sluggish and lethargic after a big meal
They certainly were not politically inactive.
He moved in a slow, unhurried way.
He felt too miserable and lethargic to get dressed.
He was listless and pale and wouldn't eat.
I struggle to raise eyelids still heavy with sleep.
We all feel dull and sleepy between 1 and 3pm.
His novels are shallow and lifeless.
inert, , ,
He covered the inert body with a blanket
She spoke in a flat, phlegmatic voice.
indolent teenagers who won't lift a finger to help
He led a lazy, torpid life at the weekends.
He was not slothful: he had been busy all night.
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in the sense of dull
not lively or energeticWe all feel dull and sleepy between 1 and 3pm.
in the sense of heavy
clumsy and slowI struggle to raise eyelids still heavy with sleep.
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Video: pronunciation of 'sluggish'
Thesaurus for sluggish from the Collins English Thesaurus
Life on the edge
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