1.Notwithstanding; in opposition to, or in spite of, what has been stated, or is to be stated or admitted.
2.(Law) A clause in old English statutes and letters patent, importing a license from the crown to do a thing notwithstanding any statute to the contrary. This dispensing power was abolished by the Bill of Rights. "In this very reign (Henry III.) the practice of dispensing with statutes by a non obstante was introduced."