bodybuilding Syllabification: (bod·y·build·ing)Pronunciation: /ˈbädēˌbildiNG/Translate bodybuilding | into German Definition of bodybuilding noun the practice of strengthening and enlarging the muscles of the body through exercise. Derivatives bodybuilderPronunciation: /-ˌbildər/ noun bodybuilding in other Oxford dictionaries Definition of bodybuilding in the British & World English dictionary