overobese
/ˌoʊvərəʊˈbiːz, -oʊvb-/Definitions
1. adjective
excessively or extremely obese; being more obese than merely obese
“The doctor warned him that his overobese condition could lead to serious health problems.”
2. noun
a person who is overobese
“The overobese patient was referred to a specialist for weight management.”