IPA: /ˈfætiər/
KK: /ˈfætiər/
Having a higher amount of fat compared to something else.
This cut of meat is fattier than the other options available.
Fattier → It is formed from "fat" (from Old English "fǣtt", meaning having a large amount of fat) and "-ier" (a comparative suffix meaning more). The word "fattier" means having more fat than something else.
Think of 'fat' as a measure of how much grease or richness is present, and remember that 'fattier' means something has more of that fat.