1. border on come near or verge on, resemble, come nearer in quality, or character
  2. borderline a line that indicates a boundary
  3. border the boundary of a surface
  4. brethren the lay members of a male religious order
  5. burden weight to be carried or borne
  6. bordered having a border especially of a specified kind
  7. borderer an inhabitant of a border area
  8. criterion the ideal in terms of which something can be judged
  9. power train wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed
  10. praetorian of or relating to a Roman praetor
  11. boarder a tenant in someone's house
  12. perdition the place or state in which one suffers eternal punishment
  13. borderland district consisting of the area on either side of a border or boundary of a country or an area
  14. proturan any of several minute primitive wingless and eyeless insects having a cone-shaped head; inhabit damp soil or decaying organic matter
  15. boardroom a room where a committee meets
  16. Cordarone an antiarrhythmic drug (trade name Cordarone) that has potentially fatal side effects and is used to control serious heart rhythm problems only when safer agents have been ineffective
  17. bourdon a pipe of the bagpipe that is tuned to produce a single continuous tone
  18. Praetorian characteristic of or similar to the corruptible soldiers in the Praetorian Guard with respect to corruption or political venality
  19. birder a person who identifies and studies birds in their natural habitats
  20. Bardeen United States physicist who won the Nobel prize for physics twice (1908-1991)