1. One who chooses to suffer death rather than renounce religious principles.
2. One who makes great sacrifices or suffers much in order to further a belief, cause, or principle.
3. a. One who endures great suffering: a martyr to arthritis. b. One who makes a great show of suffering in order to arouse sympathy.
1. To give up (a title, for example), especially by formal announcement. See synonyms at relinquish.
2. To reject; disown.