TBD (to be determined) Posted on 23rd December 201530th May 2022 by ThePD (The Project Definition) TBD stands for to be determined. Related Definitions in the Project: The Project Management Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in Management and tagged management. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.