Sample sentences for the GRE study word mordant

1. black, grim, mordant -- (harshly ironic or sinister; "black humor"; "a grim joke"; "grim laughter"; "fun ranging from slapstick clowning ... to savage mordant wit")
2. caustic, corrosive, erosive, vitriolic, mordant -- (of a substance, especially a strong acid; capable of destroying or eating away by chemical action)

1. mordant -- (a substance used to treat leather or other materials before dyeing; aids in dyeing process)