1
fair-minded(adjective, indifferent, detached, aloof, unconcerned)
1
far-fetched(uncertain, doubtful, unsure)
1
fearful(adjective, weak, uncertain, doubtful, unsure)
1
fence-sitting
1
fence-straddling
1
fidgety
1
fishy(uncertain, doubtful, vague, unsure, ambiguous)
1
fitful(adjective, doubtful, vague, hesitant, changeable)
1
flighty
1
flitting(adjective, irresolute)
1
flustered(uncertain, hesitant, dubious, unsure)
1
forthcoming(adjective, incomplete, imminent, pendent)
1
free
1
general
1
halting(adjective, weak, uncertain, doubtful, hesitant)
1
hang
1
hanging by a thread(expression, doubtful, vague, hesitant, changeable)
1
hazy(doubtful, vague, hesitant, changeable, ambiguous)
1
hemming and hawing(adjective, definite, sure)
1
hesitation
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APASmart Define. (2015). undecided thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/undecided/thesaurus/synonyms
ChicagoSmart Define. 2015. "undecided thesaurus" https://smartdefine.org/undecided/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, undecided thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/undecided/thesaurus/synonyms>.
MLASmart Define. "undecided thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/undecided/thesaurus/synonyms>