1. not talked about or debated; not having been the subject of discussion

Examples

• The budget cuts remained undiscussed at the meeting.
• Several important issues went undiscussed during the conference.
• The controversial topic was left undiscussed by mutual agreement.
• Many aspects of the proposal are still undiscussed.
• The elephant in the room stayed undiscussed throughout dinner.
• Her concerns about the project remained undiscussed with management.