Borderline

Full definition of borderline

Adjective

1. nearly; not clearly on one side or the other of a border or boundary, ambiguous.He is borderline hypoglycemic and needs to monitor his sugar intake.I would rather hire a talented layman than a university graduate with borderline qualifications.
2. Showing bad taste.Your borderline remarks about my aunt's dress destroyed my evening.

Derived terms

• borderline personality disorder

Noun

1. A boundary or accepted division; a border.She lives on the borderline between reality and madness.