81 entries under doubtful topic. ×

1
impugnable(adjective, delicate, uncertain, unstable)
1
in a quandary(expression, adjective, idiom, uncertain, nervous)
1
irresolute(open, uncertain, nervous, vague)
1
lacking(adjective, uncertain, nervous, shaky)
1
loaded(adjective, delicate, uncertain, unstable)
1
mistrustful(adjective, uncertain, nervous, shaky)
1
on thin ice(expression, adjective, idiom, delicate, uncertain)
1
open to question(adjective, uncertain, dubious, suspect)
1
perilous(adjective, delicate, uncertain, unstable)
1
risky(adjective, weak, delicate, uncertain, unstable)
1
rocky(adjective, weak, delicate, uncertain, unstable)
1
rootless(adjective, uncertain, nervous, shaky)
1
rugged(adjective, delicate, uncertain, unstable)
1
sensitive(adjective, weak, delicate, uncertain, unstable)
1
shady(adjective, uncertain, shaky, dubious)
1
shaky(adjective, weak, delicate, uncertain, nervous)
1
skeptical(adjective, uncertain, nervous, hesitant)
1
slippery(adjective, weak, delicate, uncertain, unstable)
1
ticklish(adjective, weak, delicate, uncertain, unstable)
1
touch and go(expression, adjective, idiom, delicate, uncertain)
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APASmart Define. (2015). borderline thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/borderline/thesaurus/synonyms
ChicagoSmart Define. 2015. "borderline thesaurus" https://smartdefine.org/borderline/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, borderline thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/borderline/thesaurus/synonyms>.
MLASmart Define. "borderline thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/borderline/thesaurus/synonyms>