boggling
adj. C1 Advanced US //ˈbɑɡəɫɪŋ// UK //bˈɒɡlɪŋ// bog·gling
adj. describing something that is so strange, large, or complex that your mind cannot easily understand it.
adj. overwhelming the mental capacity to comprehend or process due to sheer scale, complexity, or absurdity. Often used in the compound 'mind-boggling'.
The size of the universe is truly boggling.
The sheer amount of data generated by the new telescope is boggling for even the most advanced computers.
Faced with a boggling array of conflicting evidence, the jury struggled to reach a unanimous verdict after three days of deliberation.
Usage
Primarily functions as a participial adjective; frequently paired with 'mind' to form the compound 'mind-boggling'.