I. ˈfad.]ē, -at], ]i\ adjective
( -er/-est )
Etymology: Middle English, from fat (IV) + -y, adjective suffix
1.
a. : containing fat especially in unusual amounts
a rather fatty steak
: adipose
getting fatty around the hips
: corpulent
a short fatty woman in black — John Updike
the curious fatty grace of the butcher — Josephine Johnson
b. : having the qualities of fat : greasy
a rather fatty wool
the constant frying left a fatty deposit on the kitchen woodwork
c. : having or marked by too great a deposit of fat
a fatty liver
fatty cirrhosis
d. : sticky , cohesive — used of cement pastes, mortars, concretes, or clays
2. : derived from or chemically related to the fats : aliphatic
fatty alcohols
II. noun
( -es )
Etymology: fat (II) + -y, n. suffix
: one that is fat
the pill would weight almost two ounces, for a 150-pound person … would be … still bigger for a fatty — Springfield (Massachusetts) Daily News