borderline

Main Entry: ¹bor·der·line 

Pronunciation: \-ˌlīn\

Function: adjective

Date: 1907

1 a : being in an intermediate position or state : not fully classifiable as one thing or its opposite b : not quite up to, typical of, or as severe as what is usual, standard, or expected c : characterized by psychological instability in several areas (as interpersonal relations, behavior, and identity) but only with brief or no psychotic episodes
2 : situated at or near a border

— borderline noun