Meaning of border line

bor'der line"

Pronunciation: [key]
  1. boundary line; frontier.

bor•der•line

Pronunciation: (bôr'dur-līn"), [key]
— adj.
  1. on or near a border or boundary.
  2. uncertain; indeterminate; debatable: not an alcoholic, but a borderline case.
  3. not quite meeting accepted, expected, or average standards.
  4. approaching bad taste or obscenity: He made several borderline remarks that offended them.
—n.
  1. a person suffering from borderline personality.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also: