Medical Dictionary


adj bor·der·line \-ˌlīn\

Medical Definition of BORDERLINE

:  being in an intermediate position or state :  not fully classifiable as one thing or its opposite; especially :  not quite up to what is usual, standard, or expected <borderline intelligence>
:  exhibiting typical but not altogether conclusive symptoms <a borderline diabetic>
:  of, relating to, being, or exhibiting a behavior pattern typical or suggestive of borderline personality disorder <a borderline patient> <borderline behavior>
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