Traduction du français en anglais: involontairement
Dictionnaire: main
involontairement
adverbe
1 abruptly, accidentally, all of a sudden, by chance, circumstantially, dead, of a sudden, on the spur of the moment, out of the blue, short, suddenly, unexpectedly, unintentionally.
2 accidentally, by chance, by luck, circumstantially, haply, incidentally, out of the blue, perchance, unexpectedly, unintentionally.