53 entries under solid topic. ×

1
clinched(adjective, set, certain, sure)
1
conclusive(adjective, clear, strong, simple, easy)
1
confirmed(adjective, set, certain, sure)
1
definite(adjective, strong, correct, easy)
1
dependable(adjective, set, certain, sure)
1
ensured(adjective, set, certain, sure)
1
hopeful(adjective, strong, easy, certain)
1
indubitable(adjective, certain, sure, confident)
1
insured(adjective, set, certain, sure)
1
irrefutable(adjective, certain, sure, confident)
1
locked on(expression, adjective, strong, easy)
1
made certain(verb, expression, adjective, certain)
1
pronounced(adjective, set, certain, sure)
1
racked(adjective, set, certain, sure)
1
reassured(adjective, strong, easy, certain)
1
reliable(adjective, strong, easy, certain)
1
resolute(adjective, strong, easy, certain)
1
sanguine(adjective, strong, easy, certain)
1
sealed(adjective, set, certain, sure)
1
self-assured(adjective, strong, easy, certain)
11 years ago|555 views|share |citing 
APASmart Define. (2015). nailed down thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/nailed_down/thesaurus/synonyms
ChicagoSmart Define. 2015. "nailed down thesaurus" https://smartdefine.org/nailed_down/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, nailed down thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/nailed_down/thesaurus/synonyms>.
MLASmart Define. "nailed down thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/nailed_down/thesaurus/synonyms>