4
unfixed(adjective, uncertain, doubtful, vague, hesitant)
3
betwixt and between(expression, adjective, idiom, open, uncertain)
3
faltering(adjective, weak, uncertain, doubtful, unsettled)
3
in the balance(expression, adjective, idiom, uncertain, unsettled)
3
independent
3
infirm of purpose(expression, adjective, idiom, irresolution)
3
mutable
3
pendent(adjective, open, uncertain, definite, vague)
3
problematical(adjective, debatable)
3
torn(adjective, definite, sure)
3
unpredictable(adjective, uncertain, doubtful, vague, hesitant)
3
unreliable(adjective, uncertain, nervous, doubtful, vague)
3
up in the air(expression, adjective, idiom, open, certain)
3
weak(adjective, uncertain, nervous, doubtful, dubious)
2
loose(adjective, open)
2
assailable
2
at issue
2
at loose ends(expression, idiom)
2
candid
2
clear
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APASmart Define. (2015). undecided thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/undecided/thesaurus/synonyms
ChicagoSmart Define. 2015. "undecided thesaurus" https://smartdefine.org/undecided/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, undecided thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/undecided/thesaurus/synonyms>.
MLASmart Define. "undecided thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/undecided/thesaurus/synonyms>