Synonyms|559Antonyms|188|Broader|11Narrower|0Related|765
8
certain(adjective, fixed)
6
decided
6
electable
6
established(state, collapse)
6
self-confident
5
sure
5
determined(verb, adjective)
5
settled
4
resolved
3
decisive
3
definite
3
resolute
3
set(adjective, weak, yielding, decided)
2
assured(unsure, indefinite)
2
definitive
2
firm(weak, obscure, uncertain)
2
inescapable
2
unavoidable
1
bent(adjective, determined)
1
categorical
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APASmart Define. (2015). undecided thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undecided/thesaurus/antonyms
ChicagoSmart Define. 2015. "undecided thesaurus" https://smartdefine.org/undecided/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, undecided thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undecided/thesaurus/antonyms>.
MLASmart Define. "undecided thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/undecided/thesaurus/antonyms>