adj 1  :  being in an intermediate position or state  :  not fully classifiable as one thing or its opposite : esp  :  not quite up to what is usual, standard, or expected < intelligence>   2  :  exhibiting typical but not altogether conclusive symptoms <a diabetic>   3  :  characterized by psychological instability in several areas (as interpersonal relations, behavior, mood, and identity) often with impaired social and vocational functioning but with brief or no psychotic episodes <a personality disorder>  .
 
 
 
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