in passing

Related to in passing: for the most part, roughshod, in favor of, set out, refer to

in passing

Casually or as an aside during a conversation. It wasn't the main focus of our discussion—he only mentioned it in passing. Karen mentioned the party in passing the other day, but she didn't go into detail.
See also: passing
Farlex Dictionary of Idioms.

in passing

casually; said or mentioned as an aside. I just heard your name in passing. I didn't hear more than that. The lecturer referred to George Washington in passing.
See also: passing
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

in passing

Incidentally, by the way, as in "It may be remarked in passing" (Charlotte Brontë, Shirley, 1849). [Mid-1800s]
See also: passing
The American Heritage® Dictionary of Idioms by Christine Ammer.

in ˈpassing

done or said while you are giving your attention to something else: ‘What did the minister say about educational reform?’ ‘Not very much. He just mentioned it in passing.’ Could I just say in passing that...?
See also: passing
Farlex Partner Idioms Dictionary

in passing

While going by; incidentally.
See also: passing
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • mention (something) in passing
  • mention in passing
  • better you than me
  • see you then
  • (I'll) see you then
  • it's an old story
  • that and (some amount of money) will get you a cup of coffee
  • Who needs it?
  • or whatever
  • it's the same old rigmarole