"etw mattieren" in English etw. mattieren {v.t.} to give a mat/matt finish to sth. to matt sth. to mat sth. to delustre sth. Detailed translations for "etw mattieren" etw. mattieren{transitive verb} 1. general etw. mattieren to give a mat/matt finish to sth. etw. mattieren to matt sth. etw. mattieren to mat sth. 2. textiles etw. mattieren to delustre sth.