Synonyms|872Antonyms|411|Broader|14Narrower|13Related|1.9k
29
active(adjective, movement)
18
fast
11
lively
8
smart
5
energetic(adjective, dull, full, forceful, lethargic)
5
spirited
4
business-minded
4
busy
4
lightning(adjective, movement, slowness)
3
brisk(adjective, active)
3
diligent
3
quick(adjective, fast, clumsy, speedy, delayed)
3
snappy(adjective, pleasant, fast)
3
agile
3
alert(adjective, lively, attentive)
3
animated
3
fast-paced
3
fast paced
3
fleet
3
hasty(kind, slow)
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APASmart Define. (2016). sluggish thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sluggish/thesaurus/antonyms
ChicagoSmart Define. 2016. "sluggish thesaurus" https://smartdefine.org/sluggish/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, sluggish thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sluggish/thesaurus/antonyms>.
MLASmart Define. "sluggish thesaurus" 1 April 2016. Web. 22 September 2026. <https://smartdefine.org/sluggish/thesaurus/antonyms>