Synonyms|464Antonyms|104|Broader|6Narrower|16Related|848
2
circumscription
2
confines(border, frontier)
2
crease
2
disputable(adjective, uncertain, doubtful, dubious, suspect)
2
divide
2
edging(noun, edge)
2
extreme(noun, top, point, limit, edge)
2
frame(border, frontier)
2
in doubt(expression, adjective, idiom, clear, open)
2
in question(adjective, idiom, clear, certain, uncertain)
2
inconclusive(adjective, clear, certain, uncertain, doubtful)
2
insecure(adjective, delicate, uncertain, nervous, unstable)
2
mark
2
pale
2
point(noun, top, limit, extreme, edge)
2
precinct
2
rim(noun, edge, trim, border, frontier)
2
soft
2
uneasy(uncertain, shaky, unclear, unlikely, questionable)
2
weak(uncertain, nervous, doubtful, uneven, insecure)
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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>