martyr martyr /ˈmɑːrtɝ/

noun

1. () One who suffers for the sake of principle  ( sufferer , martyr )
   one who suffers for the sake of principle
     The brave martyr sacrificed their life for a noble cause.
   The brave martyr sacrificed their life for a noble cause.
   
2. One who voluntarily suffers death as the penalty for refusing to renounce their religion  ( martyr )
   one who voluntarily suffers death as the penalty for refusing to renounce their religion
    The history of religions is replete with stories of the sacrifice of a martyr for their faith.
   The history of religions is replete with stories of the sacrifice of a martyr for their faith.
   
   

verb

1. Torture and torment like a martyr  ( martyr , martyrise [British] , martyrize )
   torture and torment like a martyr
   
2. Kill as a martyr  ( martyr )
   kill as a martyr
    Saint Sebastian was martyred
   Saint Sebastian was martyred