Synonyms|272Antonyms|89|Broader|3Narrower|0Related|401

76 entries under sure topic. ×

3
fixed(adjective, clear, sound, firm, plain)
3
set(adjective, clear, sound, firm, solid)
2
confirmed(adjective, solid, certain, confident)
2
settled(adjective, solid, certain, confident)
2
unerring(adjective, clear, sound, correct, right)
1
absolutely certain(expression, adjective, solid, certain)
1
authoritative(adjective, clear, sound, correct, right)
1
beyond doubt(expression, adjective, sound, solid, certain)
1
cinched(adjective, solid, certain, confident)
1
clinched(adjective, solid, certain, confident)
1
correct(adjective, sound, right, plain, exact)
1
dependable(adjective, correct, right, flat, honest)
1
ensured(adjective, solid, certain, confident)
1
guaranteed(adjective, clear, hard, sound, firm)
1
in the bag(expression, adjective, idiom, clear, firm)
1
insured(adjective, solid, certain, confident)
1
made certain(expression, adjective, solid, certain)
1
nailed down(expression, adjective, solid, certain)
1
on ice(expression, adjective, clear, firm, solid)
1
pronounced(adjective, solid, certain, straightforward, definite)
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APASmart Define. (2015). undoubted thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/undoubted/thesaurus/synonyms
ChicagoSmart Define. 2015. "undoubted thesaurus" https://smartdefine.org/undoubted/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, undoubted thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/undoubted/thesaurus/synonyms>.
MLASmart Define. "undoubted thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/undoubted/thesaurus/synonyms>