Synonyms of sluggish in English:

sluggish


See definition of sluggish

adjective

1‘Alex woke late, feeling tired and sluggish’

SYNONYMS
lethargic, listless, lacking in energy, unenergetic, lifeless, inert, inactive, slow, torpid, dull, languid, apathetic, passive, unresponsive, weary, tired, fatigued, sleepy, half asleep, drowsy, heavy-eyed, enervated, somnolent
lazy, idle, indolent, slothful, sluggardly
phlegmatic, bovine
asthenic, neurasthenic
informal dozy, dopey, yawny
North American informal logy
archaic lymphatic
ANTONYMS

vigorous, energetic, active

2‘the sluggish global economy’

SYNONYMS
inactive, quiet, slow, slow-moving, slack, flat, depressed, stagnant, static
ANTONYMS

busy, brisk