flukily
Definitions
In a way that happens by chance or luck rather than through skill or planning.
In a manner resulting from a stroke of good fortune or an accidental occurrence.
Examples
The underdog team flukily secured a victory in the final seconds of the game.
He flukily guessed the correct password on his very first attempt.
Synonyms
accidentally fortuitously by chance serendipitously coincidentally luckily
Antonyms
deliberately intentionally purposely methodically systematically predictably