Lewis Short
(adjective) : pĕr-indignus, a, um
* Very unworthy, very unbecoming, Sid. Ep. 4, 4.— Adv.: pĕrindignē, very indignantly (post-Aug.): tulit perindigne actum a senatu, ut, etc.,Suet. Tib. 50.
Charlton T. Lewis, Charles Short, A Latin Dictionary