4
sad
3
apathetic
3
lightweight
2
enervated
2
exhausting
2
extraneous
2
inactive
2
inanimate
2
inconsequential
2
inert
2
insignificant
2
languid
2
peripheral
2
salubrious
2
sleepy
2
suicidal
2
superfluous
2
surplus
1
torpid
1
unanimated
10 years ago|5.3k views|share |citing 
APASmart Define. (2015). vital thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/vital/thesaurus/antonyms
ChicagoSmart Define. 2015. "vital thesaurus" https://smartdefine.org/vital/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, vital thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/vital/thesaurus/antonyms>.
MLASmart Define. "vital thesaurus" 2 November 2015. Web. 27 September 2026. <https://smartdefine.org/vital/thesaurus/antonyms>