'Cavalierly' definitions:

Definition of 'cavalierly'

From: WordNet
adverb
In a proud and domineering manner; "he treated his staff cavalierly" [syn: disdainfully, cavalierly]

Definition of 'Cavalierly'

From: GCIDE
  • Cavalierly \Cav`a*lier"ly\, adv. In a supercilious, disdainful, or haughty manner; arrogantly. --Junius. [1913 Webster]