Synonyms of accidentally in English:

accidentally


See definition of accidentally

adverb

1‘we met accidentally’

SYNONYMS
fortuitously, by accident, by chance, by a mere chance, by a twist of fate, adventitiously, as luck would have it, by a fluke, flukily, coincidentally, by coincidence, serendipitously
by a happy chance, by good fortune, by a piece of luck
unexpectedly
unintentionally, inadvertently, involuntarily, unpremeditatedly, unthinkingly
unwittingly, unknowingly, unconsciously, subconsciously, unawares
by mistake, mistakenly, misguidedly
North American by happenstance