Geographical Boundaries

noun the line that separates one country, state, province, etc., from another; the border

adjective of, relating to, or characteristic of a border

adverb on or near a border

• The patient's symptoms are borderline between two different medical conditions.
• I think his behavior is borderline crazy sometimes.
• She's always on the borderline of getting in trouble.
• The line between success and failure is often borderline thin.

noun A territorial limit; a boundary

verb To move by leaps or bounds; to be destined or certain to do something

adjective Tied; secured; heading or having a direction towards a specified destination

• The documents are bound together in a folder for easy reference.
• I'm bound to forget my keys if I don't put them in the same place every day.
• I heard they're bound to win the game tonight.
• His determination is bound to lead him to success in the future.