uncavalier

They made haste to unbar the door, and when it was opened they saw a strange sight: mounted on an ass, whose head was held by a laboring man of the village, sat Don Quixote, huddled together in a most uncavalier-like posture, his armor all battered and his face begrimed with dirt.

Children's Literature A Textbook of Sources for Teachers and Teacher-Training Classes Charles Madison Curry 1906

Dangerfield tore off his cravat, and wanted to bind it round his principal's waist; but Fareham repulsed him, and lashed into hot fury by the Frenchman's uncavalier-like ruse, met his adversary's thrusts with a deadly purpose, which drove De Malfort to reckless lunging and riposting, and the play grew fast and fierce, while the rattle of steel seemed never likely to end.

London Pride Or When the World Was Younger 1875

Though I was for a moment vexed at her prudery, or whatever you may choose to call it, if I had made so uncavalier, not to say brutal, a speech, I am convinced Lady Byron would instantly have left the carriage to me and the maid.

The Life of Lord Byron Galt, John, 1779-1839 1830