Synonyms|1.2kAntonyms|371|Broader|4Narrower|1Related|2.1k
1
dormant
1
drowsy
1
enfeebled
1
faded
1
faint
1
fatigued
1
feckless
1
heavy
1
helpless(adjective, dull, weak, feeble)
1
inanimate
1
incapable(adjective, dull, weak, feeble)
1
indifferent(adjective, dull, weak, feeble)
1
ineffective(adjective, dull, weak, feeble)
1
irresolute
1
lackadaisical
1
lackluster
1
languorous
1
lax
1
lifeless
1
limp
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APASmart Define. (2016). vigorous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/vigorous/thesaurus/antonyms
ChicagoSmart Define. 2016. "vigorous thesaurus" https://smartdefine.org/vigorous/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, vigorous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/vigorous/thesaurus/antonyms>.
MLASmart Define. "vigorous thesaurus" 1 April 2016. Web. 25 September 2026. <https://smartdefine.org/vigorous/thesaurus/antonyms>