Part of speech:
The definition of accidentally is something that happens by mistake or without intent.
introducing a different topic; in point of fact
Find another word for incidentally. In this page you can discover 19 synonyms, antonyms, idiomatic expressions, and related words for incidentally, like: by-chance, by-the-way, parenthetically, by-the-by, in-passing, en passant (French), apropos-of, speaking-of, subordinately, in an incidental manner and concomitant to.