in-dĕcŏro, āre, v. a.,
to disgrace , disfigure (rare): me sermone indecorans, Att. ap. Non. 125, 1 (Fragm. Trag. v. 459 Rib.): indecorant bene nata culpae, Hor. C. 4, 4, 36 (al. dedecorant).
indecorō —, —, āre 2 in+decus, to disgrace, disfigure : Indecorant bene nata culpae, H. ...
An Elementary Latin Dictionary