13 entries under sound topic. ×

9
firm(noun, adjective, strong)
7
certain(adjective, strong)
6
secure(verb, adjective, strong)
6
stable(adjective, strong, weak, soft)
6
sure(adjective, strong)
4
strong
2
safe(adjective, strong)
2
unshaky(adjective, strong)
2
unwavering(adjective, strong)
1
definite(adjective, strong)
1
indubious(adjective, strong)
0
guarded(adjective, strong)
0
protected(adjective, strong)
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APASmart Define. (2015). shaky thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/shaky/thesaurus/antonyms
ChicagoSmart Define. 2015. "shaky thesaurus" https://smartdefine.org/shaky/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2015, shaky thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/shaky/thesaurus/antonyms>.
MLASmart Define. "shaky thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/shaky/thesaurus/antonyms>