from The Century Dictionary.
- In a contumelious manner; with arrogance and contempt; insolently.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adverb In a
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adverb without respect; in a disdainful manner
Sorry, no etymologies found.
I've just looked in a couple of modern dictionaries, and there it is, along with 'contumeliously'.
"Whoever wilfully blasphemes the holy name of God by denying, cursing or contumeliously reproaching God, his creation, government or final judging of the world, or by cursing or contumeliously reproaching Jesus Christ or the Holy Ghost, or by cursing or contumeliously reproaching or exposing to contempt and ridicule, the holy word of God contained in the holy scriptures shall be punished"
 Jovius concludes, it is almost fatal to great princes, through their own default or otherwise circumvented with envy and malice, to lose their honours, and die contumeliously.
Jack Ketch, refused the bills with scorn, wrote back contumeliously to the old gentleman, bidding him to mind his own affairs; and the protested paper coming back, Sedley and Co. had to take it up, with the profits which they had made out of the Madras venture, and with
From Oswestry he went to Donnington near Shrewsbury, where under a certain Scotchman named Douglas, who was an absentee, and who died Bishop of Salisbury, he officiated as curate and master of a grammar school for a stipend — always grudgingly and contumeliously paid — of three-and-twenty pounds a year.
One might believe Lucullus thought his money really captive and barbarian, so wantonly and contumeliously did he treat it.
And that Onomarchus contumeliously answered him, that the field had been a more proper place than this to show his contempt of death.
But those things which, as soon as they are made, come to an end, may justly be said rather to have been formed for the contempt of such as are thought to be honoured by them; and that that which is eternal is contumeliously treated when its image is corrupted and dissolved.
In Rachel the pride of the human mind is depicted; because they whom God has endowed with his benefits, for the most part are so elated, that they rage contumeliously against their neighbors.
Whenever, therefore, they are treated harshly and contumeliously by men, let them take refuge in this thought, that God will be the more propitious to them.