14 entries under strong topic. ×

13
unsound(adjective, well, flimsy)
9
feeble(adjective, fit, ineffective)
3
insecure(adjective, steady, dangerous, precarious)
3
shaky
2
frail
1
flimsy
0
all wet
0
hospitalized
0
in poor health(expression, idiom)
0
not so hot(expression, idiom)
0
sapless
0
under medication
0
upset
0
way off
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APASmart Define. (2016). sound thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sound/thesaurus/antonyms
ChicagoSmart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, sound thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sound/thesaurus/antonyms>.
MLASmart Define. "sound thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/sound/thesaurus/antonyms>