matt matt /ˈmæt/

adjective

1. Not reflecting light; not glossy  ( flat , mat , matt , matte , matted )
   not reflecting light; not glossy
    Flat wall paint
   flat wall paint
    A photograph with a matte finish
   a photograph with a matte finish
   

noun

1. The property of having little or no contrast; lacking highlights or gloss  ( flatness , lusterlessness [ N. American] , lustrelessness [Canadian, British] , mat , matt , matte )
   the property of having little or no contrast; lacking highlights or gloss