1
external
1
faint
1
feeble
1
frail
1
frivolous
1
healthful
1
healthy
1
ill
1
impassive
1
impotent
1
in low cotton
1
inconsiderable
1
indolent
1
infirm
1
injurious
1
insalubrious
1
invertebrate
1
irksome
1
lackadaisical
1
languishing
10 years ago|5.3k views|share |citing 
APASmart Define. (2015). vital thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/vital/thesaurus/antonyms
ChicagoSmart Define. 2015. "vital thesaurus" https://smartdefine.org/vital/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, vital thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/vital/thesaurus/antonyms>.
MLASmart Define. "vital thesaurus" 2 November 2015. Web. 28 September 2026. <https://smartdefine.org/vital/thesaurus/antonyms>