Hobby Posted on 15th November 20156th September 2020 by ThePD (The Project Definition) A Hobby is an activity that someone does for pleasure when they are not working for job. 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 word. 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.