Adverb
Extremely; odiously; detestable.
Source: Webster's dictionaryBesides, isn't it confoundedly easy to think you're a great man if you aren't burdened with the slightest idea that Rembrandt, Beethoven, Dante or Napoleon ever lived? Stefan Zweig
Poverty is no disgrace to a man, but it is confoundedly inconvenient. Sydney Smith
he looked at his professor perplexedly Source: Internet