In the loop Definition 1 of 2Pro Tip 1/3Business Common Often used in professional environments to discuss projects and updates. Please, add me to the email chain to stay in the loop. Pro Tip 2/3Proactive Involvement Suggests active participation or the desire to be actively involved. I'm setting up weekly meetings to keep everyone in the loop. Pro Tip 3/3Information Flow Implies there is a stream of information you should be receiving. Her assistant makes sure she's in the loop with daily briefings.