1. Incidentally; in the course of doing something else
   "he made this remark in passing"
   - en passant

Encyclopedia: In passing

• winningly
• winnings
• Winnipeg
• Winnipegger
• winnow
• winnow out
• winnower
• winnowing
• wino
• Winslow
• Winslow Homer
• winsome
• winsomely
• winsomeness
• Winston Churchill
• Winston S. Churchill
• Winston-Salem
• winter
• winter aconite
• winter cherry
• winter cress
• winter crookneck
• winter crookneck squash
• winter currant
• winter fern