perplexingly
Definitions
In a manner that is difficult to understand or explain; puzzlingly.
In a way that causes confusion or bewilderment.
Examples
The instructions for the new software were perplexingly vague, leaving the entire team confused.
He remained perplexingly calm despite the chaotic situation unfolding around him.
Synonyms
puzzlingly confusingly bafflingly bewilderingly mysteriously inexplicably cryptically
Antonyms
clearly obviously plainly understandably predictably straightforwardly lucidly