Main entry: mordant
Definition: a substance used to treat leather or other materials before dyeing; aids in dyeing process
Main entry: caustic, vitriolic, erosive, corrosive, mordant
Definition: of a substance, especially a strong acid; capable of destroying or eating away by chemical action
Main entry: mordant, black, grim
Definition: harshly ironic or sinister
Usage: black humor; a grim joke; grim laughter; fun ranging from slapstick clowning ... to savage mordant wit