Mala fide Posted on 7th December 201517th May 2021 by ThePD (The Project Definition) Mala Fide means a bad faith, or illegal or dishonest. (Opposite of Bona Fide) 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 General and tagged legal. 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.