Dictionary
bor'der line"
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.
a person suffering from borderline personality.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.