Synonyms|475Antonyms|2|Broader|0Narrower|0Related|1

83 entries under certain topic. ×

1
clinched(adjective, set, solid, sure)
1
conclusive(adjective, clear, strong, simple, easy)
1
confirmed(adjective, set, solid, sure)
1
definite(adjective, strong, correct, easy, solid)
1
dependable(adjective, set, solid, sure)
1
easy(adjective, clear, strong, simple, plain)
1
ensured(adjective, set, solid, sure)
1
hopeful(adjective, strong, easy, solid)
1
indubitable(adjective, solid, sure, confident)
1
insured(adjective, set, solid, sure)
1
irrefutable(adjective, solid, sure, confident)
1
locked on(expression, adjective, strong, easy, solid)
1
made certain(verb, expression, adjective, solid)
1
no two ways about it(expression, adjective, established, accurate)
1
pronounced(adjective, set, solid, sure)
1
racked(adjective, set, solid, sure)
1
reassured(adjective, strong, easy, solid)
1
reliable(adjective, strong, easy, solid)
1
resolute(adjective, strong, easy, solid)
1
sanguine(adjective, strong, easy, solid)
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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>