56 entries under guaranteed topic. ×

6
sure(adjective, solid, certain, definite, constant)
5
dependable(adjective, solid, certain, sure, constant)
2
indubitable(adjective, solid, certain, definite, sure)
2
secure(adjective, set, solid, certain, sure)
2
solid(certain, sure, reliable, trustworthy)
1
absolutely certain(expression, adjective, set, solid, certain)
1
beyond doubt(expression, adjective, set, solid, certain)
1
cinched(adjective, set, firm, solid, certain)
1
clear-cut(adjective, set, solid, certain, sure)
1
clinched(adjective, set, solid, certain, sure)
1
confirmed(adjective, set, solid, certain, sure)
1
decided(adjective, set, solid, certain, definite)
1
definite(adjective, solid, certain, sure, confident)
1
ensured(adjective, set, solid, certain, sure)
1
fixed(adjective, set, solid, certain, definite)
1
in the bag(expression, adjective, idiom, solid, certain)
1
insured(adjective, set, solid, certain, sure)
1
irrefutable(adjective, solid, certain, sure, confident)
1
made certain(expression, adjective, set, solid, certain)
1
nailed down(expression, adjective, solid, certain, sure)
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APASmart Define. (2015). surefire thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/surefire/thesaurus/synonyms
ChicagoSmart Define. 2015. "surefire thesaurus" https://smartdefine.org/surefire/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, surefire thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/surefire/thesaurus/synonyms>.
MLASmart Define. "surefire thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/surefire/thesaurus/synonyms>