97 entries under uncertain topic. ×

1
fishy(shaky, vague, dubious, unclear)
1
fluctuant(adjective, nervous, doubtful, shaky)
1
fly-by-night(adjective, nervous, doubtful, shaky)
1
hairy(adjective, delicate, unstable, doubtful)
1
hanging by a thread(expression, adjective, idiom, delicate)
1
hazardous(adjective, delicate, unstable, doubtful)
1
hazy(shaky, vague, unclear, ambiguous)
1
hesitant(open, nervous, doubtful, vague)
1
impugnable(adjective, delicate, unstable, doubtful)
1
in a quandary(expression, adjective, idiom, nervous)
1
irresolute(open, nervous, doubtful, vague)
1
lacking(adjective, nervous, doubtful, shaky)
1
loaded(adjective, delicate, unstable, doubtful)
1
long shot(expression, shaky, unclear, unlikely)
1
mistrustful(adjective, nervous, doubtful, shaky)
1
obscure(shaky, vague, unclear, ambiguous)
1
on thin ice(expression, adjective, idiom, delicate)
1
open to question(adjective, doubtful, dubious, suspect)
1
pending(open, shaky, unclear, unsure)
1
perilous(adjective, delicate, unstable, doubtful)
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APASmart Define. (2015). borderline thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/borderline/thesaurus/synonyms
ChicagoSmart Define. 2015. "borderline thesaurus" https://smartdefine.org/borderline/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, borderline thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/borderline/thesaurus/synonyms>.
MLASmart Define. "borderline thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/borderline/thesaurus/synonyms>