fatter
fat-ter
adjective
Having more body fat or being thicker in size than previously or another.
"He's gotten fatter since the holidays."
Thesaurus
Synonyms: fat, juicy, profitable, plump, stout, podgy, gross, dumpy, buxom, roly-poly, tubby, double-chinned
Antonyms: fat-free, fatless, lean, leanness, nonfat, spareness, thin, thinness