unluckily
Definitions
In a way that involves or results in bad luck.
Used to express regret or disappointment about a situation.
Examples
Unluckily, the train had already departed by the time we arrived at the station.
I searched everywhere for my keys, but unluckily, I could not find them.
Synonyms
unfortunately regrettably sadly as luck would have it disastrously miserably
Antonyms
luckily fortunately happily providentially auspiciously by good fortune