Antonyms of adj sluggish

3 senses of sluggish

Sense 1
sluggish, sulky -- (moving slowly; "a sluggish stream")

INDIRECT (VIA slow) -> fast -- (acting or moving or capable of acting or moving quickly; "fast film"; "on the fast track in school"; "set a fast pace"; "a fast car")

Sense 2
dull, slow, sluggish -- ((of business) not active or brisk; "business is dull (or slow)"; "a sluggish market")

INDIRECT (VIA inactive) -> active -- (full of activity or engaged in continuous activity; "an active seaport"; "an active bond market"; "an active account")

Sense 3
inert, sluggish, soggy, torpid -- (slow and apathetic; "she was fat and inert"; "a sluggish worker"; "a mind grown torpid in old age")

INDIRECT (VIA inactive) -> active -- (characterized by energetic activity; "an active toddler"; "active as a gazelle"; "an active man is a man of action")

Similarity of adj sluggish

3 senses of sluggish

Sense 1
sluggish, sulky -- (moving slowly; "a sluggish stream")
       => slow (vs. fast) -- (not moving quickly; taking a comparatively long time; "a slow walker"; "the slow lane of traffic"; "her steps were slow"; "he was slow in reacting to the news"; "slow but steady growth")

Sense 2
dull, slow, sluggish -- ((of business) not active or brisk; "business is dull (or slow)"; "a sluggish market")
       => inactive (vs. active) -- (lacking activity; lying idle or unused; "an inactive mine"; "inactive accounts"; "inactive machinery")

Sense 3
inert, sluggish, soggy, torpid -- (slow and apathetic; "she was fat and inert"; "a sluggish worker"; "a mind grown torpid in old age")
       => inactive (vs. active) -- (not active physically or mentally; "illness forced him to live an inactive life"; "dreamy and inactive by nature")