92 entries under adjective topic. ×

1
fly-by-night(uncertain, nervous, doubtful, shaky)
1
hairy(delicate, uncertain, unstable, doubtful)
1
hanging by a thread(expression, idiom, delicate, uncertain)
1
hazardous(delicate, uncertain, unstable, doubtful)
1
impugnable(delicate, uncertain, unstable, doubtful)
1
in a quandary(expression, idiom, uncertain, nervous)
1
lacking(uncertain, nervous, doubtful, shaky)
1
loaded(delicate, uncertain, unstable, doubtful)
1
mistrustful(uncertain, nervous, doubtful, shaky)
1
negligible
1
on the fence
1
on thin ice(expression, idiom, delicate, uncertain)
1
open to question(uncertain, doubtful, dubious, suspect)
1
perilous(delicate, uncertain, unstable, doubtful)
1
peripheral(minor, outside)
1
risky(weak, delicate, uncertain, unstable)
1
rocky(weak, delicate, uncertain, unstable)
1
rootless(uncertain, nervous, doubtful, shaky)
1
rugged(delicate, uncertain, unstable, doubtful)
1
sensitive(weak, delicate, uncertain, unstable)
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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>