203 entries under solid topic. ×

2
anchored(adjective, calm, strong, secure, firm)
2
bulky(strong, significant, large, robust)
2
careful(adjective, strong, reasonable, sharp, sensible)
2
energetic(adjective, strong, direct, tough)
2
even(verb, adjective, calm, check, strong)
2
fastened(adjective, strong, secure, firm)
2
forcible(adjective, clear, strong, direct, tough)
2
imperturbable(adjective, calm, firm, sensible)
2
incontrovertible(clear, reasonable, certain, definite)
2
nailed(adjective, calm, strong, secure, firm)
2
probable(adjective, reasonable, sensible, rational)
2
resolute(adjective, calm, strong, secure, easy)
2
righteous(adjective, good, strong, correct, right)
2
sinewy(adjective, strong, tough, fit)
2
tenacious(adjective, strong, secure, tough, fit)
2
tried-and-true(adjective, good, strong, honest, sensible)
2
true-blue(adjective, strong, honest, true)
2
unqualified(adjective, firm, stable, fixed)
2
unwavering(adjective, calm, strong, secure, firm)
2
veracious(strong, correct, honest, proper)
10 years ago|68k views|share |citing 
APASmart Define. (2016). sound thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sound/thesaurus/synonyms
ChicagoSmart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, sound thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sound/thesaurus/synonyms>.
MLASmart Define. "sound thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/sound/thesaurus/synonyms>