bewilderingly
Definitions
In a manner that is confusing, perplexing, or difficult to understand.
To a degree that causes someone to become overwhelmed or disoriented.
Examples
The instructions for assembling the bookshelf were bewilderingly complex, leaving us frustrated for hours.
She spoke with a bewilderingly fast pace that made it difficult for the audience to follow her argument.
Synonyms
confusingly perplexingly bafflingly puzzlingly disconcertingly mystifyingly obscurely
Antonyms
clearly plainly obviously understandably intelligibly straightforwardly lucidly