ridiculously
Definitions
In a manner that invites mockery or derision; absurdly.
To an extreme or unreasonable degree.
Examples
The price of the designer handbag was ridiculously high.
It is ridiculously easy to learn the basics of this new software.
Synonyms
absurdly ludicrously preposterously laughably farcically outrageously comically
Antonyms
sensibly reasonably logically rationally moderately seriously practically