ma ‧ ca ‧ bre /məˈkɑːbrə, -bə $ -brə, -bər/ BrE AmE adjective
[ Date: 1400-1500 ; Language: French ; Origin: (danse) macabre 'dance of death' , from earlier (danse de) Macabré , perhaps from Medieval Latin chorea Maccabaeorum 'dance of the Maccabees' , a representation of the killing of the Maccabees, a Jewish family of Bible times ]
very strange and unpleasant and connected with death or with people being seriously hurt:
a macabre tale
a macabre sense of humour