diabesity Syllabification: (di·a·be·si·ty)Pronunciation: /ˌdīəˈbēsitē/Definition of diabesity noun informal used to refer to a form of diabetes that typically develops in later life and is associated with being obese: regular exercise helps prevent diabesityOrigin: 1980s: blend of diabetes and obesitydiabesity in other Oxford dictionaries Definition of diabesity in the British & World English dictionary