Definition of fatty adjective from the Oxford Advanced American Dictionary

 

fatty

 adjective
adjective
NAmE//ˈfæt̮i//
 
(fattier, fattiest)
 
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containing a lot of fat; consisting of fat fatty foods fatty tissueWord Familyfat adjectivefatty adjectivefatten verbfattening adjective
See the Oxford Advanced Learner's Dictionary entry: fatty