madly
Definitions
In a manner indicative of mental illness or insanity.
To an extreme or excessive degree.
With intense passion, enthusiasm, or infatuation.
Examples
They fell madly in love the moment they met at the train station.
The fans cheered madly as their favorite band walked onto the stage.
Synonyms
insanely wildly frantically passionately furiously crazily intensely
Antonyms
calmly rationally sensibly moderately composedly placidly coolly