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Adjective: mordant  mor-d(u)nt
  1. Harshly ironic or sinister
    "fun ranging from slapstick clowning ... to savage mordant wit";
    - black, grim
  2. Of a substance, especially a strong acid; capable of destroying or eating away by chemical action
    - caustic, corrosive, erosive, vitriolic
Noun: mordant  mor-d(u)nt
  1. A substance used to treat leather or other materials before dyeing; aids in dyeing process

Sounds like: moose, moudant, mor

Derived forms: mordants

See also: destructive, sarcastic, sarky [Brit, informal]

Type of: color [US], coloring material [US], colour [Brit, Cdn], colouring material [Brit, Cdn]

Encyclopedia: Mordant