sluggish
6 synonyms and 5 antonyms for sluggish, grouped by meaning and by how common each one is.
Adjective — Slow-moving, lacking energy or alertness.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Antonyms
How to use sluggish
The word patterns that sound natural to a native speaker.
Etymology
Built from "slug" (a lazy person) plus the adjective ending "-ish," meaning "characteristic of a slug."
Full origin of sluggish →