different between haughtily vs cavalierly

English

haughty +? -ly

haughtily (comparative more haughtily, superlative most haughtily)

In a haughty manner; with excessive or unwarranted pride.
He haughtily demanded the best table, even though people looked and wondered who he was.

cavalier +? -ly

cavalierly (comparative more cavalierly, superlative most cavalierly)

In a cavalier manner.
- 2003, Bill Bryson, A Short History of Nearly Everything, Black Swan, pg.46:
  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.

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