1
hemming and hawing
1
hesitant(open, uncertain, nervous, doubtful, vague)
1
impugnable(adjective, delicate, uncertain, unstable, doubtful)
1
in a quandary(expression, adjective, idiom, uncertain, nervous)
1
in the middle
1
irresolute(open, uncertain, nervous, doubtful, vague)
1
lacking(adjective, uncertain, nervous, doubtful, shaky)
1
limbic
1
limitation(noun, top, point, limit, extreme)
1
limiting
1
littoral
1
loaded(adjective, delicate, uncertain, unstable, doubtful)
1
long shot(expression, uncertain, shaky, unclear, unlikely)
1
march(edge, border, frontier, trimming, edging)
1
minimum
1
mistrustful(adjective, uncertain, nervous, doubtful, shaky)
1
molding
1
moulding
1
negligible
1
not definite
11 years ago|8.9k views|share |citing 
APASmart Define. (2015). borderline thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/borderline/thesaurus/synonyms
ChicagoSmart Define. 2015. "borderline thesaurus" https://smartdefine.org/borderline/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, borderline thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/borderline/thesaurus/synonyms>.
MLASmart Define. "borderline thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/borderline/thesaurus/synonyms>