OBESITY
Meaning of OBESITY in English
o ‧ be ‧ si ‧ ty /əʊˈbiːsəti, əʊˈbiːsɪti $ oʊ-/ BrE AmE noun [uncountable]
when someone is very fat in a way that is unhealthy
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012