congenital          
adjective uk/kənˈdʒen.ɪ.təl/ us/kənˈdʒen.ə.t̬əl/
 medical specialized(疾病等)天生的,先天的 
A congenital disease or condition exists at or from birth.
  a congenital abnormality/disease 先天性畸形/疾病 
  生就有(某种坏品质)的,生性的
used to say that someone always shows a particular bad quality
  a congenital liar 生性爱说谎的人