accidentally
/aksɪˈdɛnt(ə)li
/adverb
By chance; inadvertently: his gun went off accidentally accidentally knocked the vase over...
- Going home from work in Oxford last night I accidentally got on the Bristol train by mistake.
- I don't know if she accidentally picked up the phone or deliberately did that.
- Very drunk, he accidentally pushed her with his kit bag, knocking her off the path and into the river Cam.
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