Qualifier Posted on 16th December 201511th May 2021 by ThePD (The Project Definition) A Qualifier is 1) a term that helps define and render a concept unique; 2) team or person who has won part of a competition. 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 Quality and tagged quality. 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.