Meaning of border line
- boundary line; frontier.
Pronunciation: (bôr'dur-līn"), [key]
- on or near a border or boundary.
- uncertain; indeterminate; debatable: not an alcoholic, but a borderline case.
- not quite meeting accepted, expected, or average standards.
- approaching bad taste or obscenity: He made several borderline remarks that offended them.
- a person suffering from borderline personality.
- borderline (Thesaurus)