Adjective borderline has 1 sense
  1. borderline, marginal - of questionable or minimal quality; "borderline grades"; "marginal writing ability"
    Antonyms: maximal, maximum (indirect, via minimal, minimum)
    Antonyms: maximal, maximum (indirect, via minimal, minimum)
,Noun borderline has 1 sense
  1. boundary line, border, borderline, delimitation, mete - a line that indicates a boundary
    --1 is a kind of boundary, bound, bounds
    --1 has particulars:
     fence line; Green Line; Line of Control; property line; state line, state boundary
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