Lewis Short
dē-dĕcor, ŏris
* Adj., unseemly, unbecoming, shameful, vile (rare): dedecorem amplexi vitam,Stat. Th. 11, 760: alga,Aus. Ep. 9, 5: dedecores inultique caedebantur,Sall. Hist. 3, 91 (ap. Prisc. p. 699 P.).
Charlton T. Lewis, Charles Short, A Latin Dictionary