adv. Function: adverb
1 by chance FF1C; in this discussion grave questions were brought up incidentally FF1E;
Synonyms: accidentally, casually, fortuitously
Antonyms: deliberately
2 by way of interjection or digression FF1C; another leading industry, incidentally, has quadrupled its business in four years FF1E;
Synonyms: by the bye, by the way, in passing, obiter, parenthetically
Idioms: in the bygoing