12 entries under small topic. ×

21
weak
7
infirm(adjective, weak, sound, sick)
5
soft(adjective, weak)
2
unhealthy(adjective, weak)
1
fragile(adjective, weak)
1
impotent(adjective, weak)
1
lethargic(adjective, weak)
0
flabby(adjective, weak)
0
ineffective(adjective, weak)
0
incapable(adjective, weak)
-1
unstable(adjective, weak)
-1
wobbly(adjective, weak)
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APASmart Define. (2016). robust thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/robust/thesaurus/antonyms
ChicagoSmart Define. 2016. "robust thesaurus" https://smartdefine.org/robust/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, robust thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/robust/thesaurus/antonyms>.
MLASmart Define. "robust thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/robust/thesaurus/antonyms>