After the prolonged drought, the river's sluggish current barely moved the fallen leaves downstream.
在长期干旱之后，河水水流迟缓，几乎无法将落叶冲向下游。
Which choice best defines “sluggish”?
A — Slow, lacking energy. “sluggish” means slow, lacking energy.
Which word means “slow, lacking energy”?
D — sluggish. “sluggish” means slow, lacking energy.
sluggish — slow, lacking energy. In Chinese: 懒散的，迟缓的.
sluggish is pronounced /ˈslʌɡɪʃ/.
After the prolonged drought, the river's sluggish current barely moved the fallen leaves downstream. (在长期干旱之后，河水水流迟缓，几乎无法将落叶冲向下游。)
lethargic, listless, torpid — all close in meaning to sluggish (slow, lacking energy).
energetic, quick — each the opposite of sluggish (slow, lacking energy).
Yes. sluggish is on the SAT Prep Easy list — mid-frequency academic words that do get tested. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
slug(slug slow)+ish(form)