1
characterless
1
enervated
1
enfeebled
1
ill
1
incapacitated
1
lame
1
languid
1
lethargic(adjective, weak, small)
1
light
1
limp
1
malnourished
1
mild
1
minor
1
poorly
1
powerless
1
prostrate
1
prostrated
1
rickety
1
run-down
1
sapless
10 years ago|4.9k views|share |citing 
APASmart Define. (2016). robust thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/robust/thesaurus/antonyms
ChicagoSmart Define. 2016. "robust thesaurus" https://smartdefine.org/robust/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, robust thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/robust/thesaurus/antonyms>.
MLASmart Define. "robust thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/robust/thesaurus/antonyms>