cavalierly

comparative more cavalierly · superlative most cavalierly

1. In a cavalier manner.

   He had, he felt, treated Mrs Hubbard rather cavalierly.

   1934, Agatha Christie, chapter 14, in Murder on the Orient Express, London: HarperCollins, published 2017, page 175

   2 more examples

   Louis's brow wore its deepest gloom as he said, "There are few in yonder room who would so cavalierly reject my love."

   1834, L[etitia] E[lizabeth] L[andon], chapter II, in Francesca Carrara. […], volume II, London: Richard Bentley, […], (successor to Henry Colburn), →OCLC, page 25

   Far from marking the outer edge of the solar system, as those school-room maps so cavalierly imply, Pluto is barely one fifty-thousandth of the way.

   2003, Bill Bryson, A Short History of Nearly Everything: Black Swan, page 46

   Synonyms: superciliously, haughtily, disdainfully, curtly, brusquely