1fat·ty 
/ˈfæti/ adjective
fat·ti·er; fat·ti·est /ˈfæti/ adjective [more fatty; most fatty] : containing fat and especially a large amount of fat
▪ a rather fatty steak ▪ fatty tissue ▪ I try to avoid fatty foods.
▪ a rather fatty steak ▪ fatty tissue ▪ I try to avoid fatty foods.
— fat·ti·ness noun [noncount]
