Flag up Definition 1 of 2Pro Tip 1/3Meeting Context Used in meetings to focus attention on urgent issues or concerns. Let's flag up the overtime problem in today's team meeting. Pro Tip 2/3Constructive Tone Implies bringing up issues with the intention of finding solutions, not just complaining. I'd like to flag up the need for better training. Pro Tip 3/3Initiate Discussion Use to introduce a topic that needs discussing, especially one that may have been avoided. It's time to flag up the staffing changes.