1. (

• flatness ,
• lusterlessness ,
• lustrelessness ,
• mat ,
• matt ,
• matte

) the property of having little or no contrast; lacking highlights or gloss ;

1. (

• flat ,
• mat ,
• matt ,
• matte ,
• matted

) not reflecting light; not glossy; "flat wall paint"; "a photograph with a matte finish" ;