27
permanence
14
trust(noun, doubt, confidence, peace)
7
certainty(noun, confidence, assurance, peace)
7
confidence(noun, weakness, belief, peace, timidity)
6
oracle bones(noun, doubt, distrust, suspicion, mistrust)
6
self-confidence
4
alacrity
4
assurance(noun, break, confidence, peace, denial)
4
belief(noun, doubt, confidence, peace, distrust)
4
certitude(noun, doubt)
4
conviction
4
faith(noun, confidence, peace, lying, disloyalty)
4
peace(noun, confidence)
4
serenity
4
sureness(noun, confidence, peace)
4
surety(noun, doubt)
3
assuredness(noun, doubt)
3
credence
3
determination
3
firmness
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APASmart Define. (2016). uncertainty thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/uncertainty/thesaurus/antonyms
ChicagoSmart Define. 2016. "uncertainty thesaurus" https://smartdefine.org/uncertainty/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, uncertainty thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/uncertainty/thesaurus/antonyms>.
MLASmart Define. "uncertainty thesaurus" 29 February 2016. Web. 24 September 2026. <https://smartdefine.org/uncertainty/thesaurus/antonyms>