4
arrogant(adjective, certain, self-assured, self-confident, brash)
4
beyond doubt(expression, adjective, solid, certain, fixed)
4
by all means(expression, idiom, adverb, really, positively)
4
calculable(expected, foreseeable)
4
changeless(adjective, clear, firm, solid, certain)
4
confirmed(adjective, solid, certain, limited, definite)
4
dead(adjective, complete, total)
4
definitely(adverb, just, absolutely, really, exactly)
4
deliberate
4
direct(adjective, clear, plain, energetic, certain)
4
doomed(expected, predictable, necessary, inexorable, undeniable)
4
eager(adjective, hopeful)
4
effective(adjective, reliable, dependable)
4
evident(adjective, clear, certain, definite, unquestionable)
4
expectant(adjective, certain, confident, hopeful, self-assured)
4
factual(adjective, clear, correct, pure, certain)
4
fearless(adjective, certain, bold, brave, confident)
4
hard(adjective, clear, correct, certain, true)
4
harmless(adjective, sound, gentle, innocent, safe)
4
honest(adjective, close, strong, correct, flat)
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APASmart Define. (2016). sure thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sure/thesaurus/synonyms
ChicagoSmart Define. 2016. "sure thesaurus" https://smartdefine.org/sure/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, sure thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sure/thesaurus/synonyms>.
MLASmart Define. "sure thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/sure/thesaurus/synonyms>