“In passing” in Japanese
Short answer
In passing in Japanese is “因みに” (chinamini). Full meaning: by the way, in this connection, incidentally, in passing.
Other ways to say “In passing” in Japanese
序でながら
tsuidenagara while I have the opportunity (I'd also like to say ...), by the way, incidentally, in passing
序でに
tsuideni while (one is at it), when, on the occasion of, at the same time (as), on one's way (to), by the way, incidentally, in passing
Looking for the other direction? Search any Japanese word in the Nihoner lexicon, or practise what you have learned in the learning games.