2
fast
2
hands-down
2
hard
2
powerful
2
safe(adjective, strong, sound)
2
sound(noun, adjective, strong)
2
unshaky(adjective, strong, sound)
2
unwavering(adjective, strong, sound)
1
composed(verb, adjective)
1
definite(adjective, strong, sound)
1
dependable
1
good
1
incontestable
1
indubious(adjective, strong, sound)
1
kick-ass
1
obvious
1
open-and-shut
1
positive
1
questionless
1
reliable
11 years ago|2.5k views|share |citing 
APASmart Define. (2015). shaky thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/shaky/thesaurus/antonyms
ChicagoSmart Define. 2015. "shaky thesaurus" https://smartdefine.org/shaky/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2015, shaky thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/shaky/thesaurus/antonyms>.
MLASmart Define. "shaky thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/shaky/thesaurus/antonyms>